copyright © 2016, 2013, 2010 pearson education,...

30
Copyright © 2016, 2013, 2010 Pearson Education, Inc. All Rights Reserved Introduction to Organic Chemistry: Hydrocarbons Chapter 12 Copyright © 2016, 2013, 2010 Pearson Education, Inc. All Rights Reserved Chapter 12 12.1 Organic Compounds 12.2 Alkanes 12.3 Alkanes with Substituents 12.4 Properties of Alkanes 12.5 Alkenes and Alkynes 12.6 Cis-Trans Isomers 12.7 Addition Reactions for Alkenes 12.8 Aromatic Compounds 12.1 – Organic Compounds Identify properties characteristic of organic or inorganic compounds. Organic Compounds Organic chemistry is the study of carbon compounds. An organic compound Always contains carbon and hydrogen atoms May also contain other nonmetals such as oxygen, nitrogen, phosphorus, or a halogen. Organic compounds are found in: Gasoline, medicines, shampoos, plastics, and perfumes Carbohydrates, fats, and proteins

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Cop

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201

6, 2

013,

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0Pe

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n Ed

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ion,

Inc

. All

Rig

hts

Res

erve

d

Intr

oduc

tion

to O

rgan

ic C

hem

istr

y:H

ydro

carb

ons

Cha

pter

12

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cha

pter

12

12.1

–O

rgan

ic C

ompo

unds

12.2

–Al

kane

s

12.3

–Al

kane

s w

ith S

ubst

ituen

ts

12.4

–Pr

oper

ties

of A

lkan

es

12.5

–Al

kene

s an

d Al

kyne

s

12.6

–C

is-T

rans

Isom

ers

12.7

–Ad

ditio

n R

eact

ions

for A

lken

es

12.8

–Ar

omat

ic C

ompo

unds

12.1

–O

rgan

ic C

ompo

unds

Iden

tify

prop

ertie

s cha

ract

erist

ic of

org

anic

or in

orga

nic

com

poun

ds.

Org

anic

Com

poun

dsOr

gani

c che

mist

ryis

the

stud

y of

carb

on co

mpo

unds

.An

org

anic

com

poun

d•Al

way

s con

tain

s car

bon

and

hydr

ogen

ato

ms

•M

ay a

lso co

ntai

n ot

her n

onm

etal

s suc

h as

oxy

gen,

nitr

ogen

, ph

osph

orus

, or a

hal

ogen

.•O

rgan

ic co

mpo

unds

are

foun

d in

:•

Gaso

line,

med

icine

s, sh

ampo

os, p

last

ics, a

nd p

erfu

mes

•Ca

rboh

ydra

tes,

fats

, and

pro

tein

s

Func

tiona

l Gro

ups

•O

rgan

ic co

mpo

unds

are

org

anize

d by

thei

r fun

ctio

nal g

roup

s(gr

oups

of

atom

s bon

ded

in a

spec

ific

way

).

•Co

mpo

unds

that

cont

ain

the

sam

e fu

nctio

nal g

roup

s hav

e sim

ilar

phys

ical a

nd ch

emica

l pro

pert

ies.

•Th

e id

entif

icatio

n of

func

tiona

l gro

ups a

llow

s us t

o cla

ssify

org

anic

com

poun

ds a

ccor

ding

to th

eir s

truc

ture

, to

nam

e co

mpo

unds

with

in

each

fam

ily, a

nd to

pre

dict

thei

r che

mica

l rea

ctio

ns.

Cop

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ht ©

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hts

Res

erve

d

Org

anic

vs.

Inor

gani

c•In

che

mis

try, m

olec

ules

are

cla

ssifi

ed a

s O

rgan

ic o

r In

orga

nic.

•In

orga

nic

com

poun

dsar

e (q

uite

exp

ansi

vely

) an

ythi

ng th

at is

not

org

anic

.

•O

rgan

ic a

nd In

orga

nic

com

poun

ds h

ave

diffe

rent

pr

oper

ties.

–O

rgan

ic c

ompo

unds

:H

ave

low

mel

ting

and

boilin

g po

ints

.Ar

e fla

mm

able

and

und

ergo

com

bust

ion.

Are

not s

olub

le in

wat

er.

–In

orga

nic

com

poun

dsM

any

inor

gani

c co

mpo

unds

hav

e hi

gh

mel

ting

and

boilin

g po

ints

.In

orga

nic

com

poun

ds th

at a

re io

nic

are

usua

lly s

olub

le in

wat

er, a

nd m

ost d

o no

t bu

rn in

air.

Cop

yrig

ht ©

201

6, 2

013,

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n Ed

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ion,

Inc

. All

Rig

hts

Res

erve

dCop

yrig

ht ©

201

6, 2

013,

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0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Prac

tice

Iden

tify

each

cha

ract

eris

tic a

s m

ost t

ypic

al o

f com

poun

ds

that

are

inor

gani

c or

org

anic

.

A. It

has

a h

igh

mel

ting

poin

t.

B. It

is n

ot s

olub

le in

wat

er.

C. I

t con

tain

s ca

rbon

and

hyd

roge

n at

oms.

D. I

t has

the

form

ula

MgC

l 2.

E. It

bur

ns e

asily

in a

ir.

Cop

yrig

ht ©

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ion,

Inc

. All

Rig

hts

Res

erve

d

Rep

rese

ntat

ions

of C

arbo

n C

ompo

unds

•H

ydro

carb

ons

are

orga

nic

com

poun

ds th

at c

onsi

st o

f onl

y ca

rbon

and

hy

drog

en.

–In

org

anic

mol

ecul

es, e

very

car

bon

atom

has

four

bon

ds.

–In

met

hane

(CH

4), t

he c

arbo

n at

om fo

rms

an o

ctet

by

shar

ing

its fo

ur

vale

nce

elec

trons

with

four

hyd

roge

n at

oms.

Thre

e-di

men

sion

al a

nd tw

o-di

men

sion

al re

pres

enta

tions

of m

etha

ne: a

) sp

ace-

fillin

g m

odel

, b) b

all-a

nd-s

tick

mod

el, c

) wed

ge-d

ash

mod

el, d

) ex

pand

ed s

truct

ural

form

ula,

and

e) c

onde

nsed

stru

ctur

al fo

rmul

a

Cop

yrig

ht ©

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6, 2

013,

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0Pe

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n Ed

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ion,

Inc

. All

Rig

hts

Res

erve

d

Rep

rese

ntat

ions

of C

arbo

n C

ompo

unds

•In

eth

ane

(C2H

6), e

ach

tetra

hedr

al c

arbo

n fo

rms

thre

e co

vale

nt b

onds

to

hydr

ogen

and

one

to th

e ot

her c

arbo

n.

Cop

yrig

ht ©

201

6, 2

013,

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0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Alk

anes

Alka

nes

•ar

e fo

rmed

by

a co

ntin

uous

cha

in o

f car

bon

atom

s.

•ar

e na

med

usi

ng th

e IU

PAC

(Inte

rnat

iona

l Uni

on o

f Pur

e an

d Ap

plie

d C

hem

istry

) sys

tem

.

•ha

ve n

ames

that

end

in a

ne.

•us

e G

reek

pre

fixes

to n

ame

carb

on c

hain

s w

ith fi

ve o

r m

ore

carb

on a

tom

s.

Cop

yrig

ht ©

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6, 2

013,

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n Ed

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ion,

Inc

. All

Rig

hts

Res

erve

d

Stud

y C

heck

In th

e bu

tane

mol

ecul

e (C

4H10

), pr

edic

t the

sha

pe a

roun

d ea

ch c

arbo

n at

om.

CH H

HCH H

CH H

CH H

H

Cop

yrig

ht ©

201

6, 2

013,

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0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cha

pter

12

12.1

–O

rgan

ic C

ompo

unds

12.2

–Al

kane

s

12.3

–Al

kane

s w

ith S

ubst

ituen

ts

12.4

–Pr

oper

ties

of A

lkan

es

12.5

–Al

kene

s an

d Al

kyne

s

12.6

–C

is-T

rans

Isom

ers

12.7

–Ad

ditio

n R

eact

ions

for A

lken

es

12.8

–Ar

omat

ic C

ompo

unds

Cop

yrig

ht ©

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6, 2

013,

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ion,

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. All

Rig

hts

Res

erve

d

12.2

-A

lkan

esW

rite

the

IUPA

C n

ames

and

dra

w th

e co

nden

sed

or li

ne-a

ngle

stru

ctur

al

form

ulas

for a

lkan

es a

nd c

yclo

alka

nes.

Cop

yrig

ht ©

201

6, 2

013,

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n Ed

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ion,

Inc

. All

Rig

hts

Res

erve

d

Alka

nes

•M

ore

than

90%

of t

he c

ompo

unds

in

the

wor

ld a

re o

rgan

ic c

ompo

unds

.

•Th

e la

rger

num

ber o

f car

bon

com

poun

ds is

pos

sibl

e be

caus

e th

e co

vale

nt b

onds

bet

wee

n ca

rbon

at

oms

(C-C

) is

very

stro

ng, a

llow

ing

carb

on a

tom

s to

form

long

, sta

ble

chai

ns.

Cop

yrig

ht ©

201

6, 2

013,

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0Pe

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n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Alka

nes

•Th

e al

kane

sar

e a

type

of h

ydro

carb

on in

whi

ch th

e ca

rbon

ato

ms

are

conn

ecte

d on

ly b

y si

ngle

bon

ds.

–Al

kane

s ar

e fo

rmed

by

a co

ntin

uous

cha

in o

f car

bon

atom

s.–

The

nam

es o

f alk

anes

and

in –

ane.

Such

nam

es a

re p

art o

f the

IUPA

Csy

stem

(Int

erna

tiona

l Uni

on

of P

ure

and

Appl

ied

Che

mis

try) u

sed

by c

hem

ists

to n

ame

orga

nic

chem

istry

.–

Alka

nes

mad

e of

car

bon

chai

ns a

re n

amed

bas

ed o

n ho

w m

any

carb

ons

mak

e up

the

chai

n.

–O

ne o

f the

mos

t com

mon

use

s of

alk

anes

is a

s fu

els.

Met

hane

, pro

pane

, oct

ane,

and

hex

ane

are

all a

lkan

es u

sed

as fu

els.

Cop

yrig

ht ©

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013,

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0Pe

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n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

IUPA

C N

ames

of A

lkan

es

Cop

yrig

ht ©

201

6, 2

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0Pe

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n Ed

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ion,

Inc

. All

Rig

hts

Res

erve

d

Lin

e-A

ngle

Str

uctu

ral F

orm

ulas

A si

mpl

ified

stru

ctur

e of

org

anic

mol

ecul

es

•is

cal

led

the

line-

angl

e st

ruct

ural

form

ula.

•sh

ows

a zi

gzag

line

in w

hich

car

bon

atom

s ar

e re

pres

ente

d as

the

ends

of e

ach

line

and

as c

orne

rs.

Car

bon

atom

s

•at

the

end

are

bond

ed to

thre

e hy

drog

en a

tom

s.

•in

the

mid

dle

are

bond

ed to

two

hydr

ogen

ato

ms.

Cop

yrig

ht ©

201

6, 2

013,

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0Pe

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n Ed

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ion,

Inc

. All

Rig

hts

Res

erve

d

Con

dens

ed fo

rmul

a an

d Li

ne-a

ngle

form

ula

•Pe

ntan

e

Cop

yrig

ht ©

201

6, 2

013,

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0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Con

dens

ed fo

rmul

a an

d Li

ne-a

ngle

form

ula

•D

raw

the

cond

ense

d st

ruct

ural

form

ula

and

nam

e th

e m

olec

ule:

Cop

yrig

ht ©

201

6, 2

013,

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0Pe

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n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Gui

de to

Dra

win

g St

ruct

ural

For

mul

as fo

r A

lkan

esSt

ep 1

: Dra

w th

e ca

rbon

cha

in.

Step

2: D

raw

the

expa

nded

stru

ctur

al fo

rmul

a by

add

ing

the

hydr

ogen

ato

ms

usin

g si

ngle

bon

ds to

eac

h of

the

carb

on a

tom

s.

Step

3: D

raw

the

cond

ense

d st

ruct

ural

form

ula

by c

ombi

ning

th

e H

ato

ms

with

eac

h C

ato

m.

Step

4: D

raw

the

line-

angl

e st

ruct

ural

form

ula

as a

zig

zag

line

in w

hich

the

ends

and

cor

ners

repr

esen

t C

atom

s.

Cop

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201

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013,

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ion,

Inc

. All

Rig

hts

Res

erve

d

Dra

win

g E

xpan

ded,

Con

dens

ed, a

nd L

ine-

Ang

le S

truc

tura

l For

mul

as (1

of 3

)

Dra

w th

e ex

pand

ed, c

onde

nsed

, and

line

-ang

le s

truct

ural

fo

rmul

a fo

r pen

tane

.

Step

1: D

raw

the

carb

on c

hain

. A m

olec

ule

of p

enta

ne h

as

five

carb

on a

tom

s in

a c

ontin

uous

cha

in.

Step

2:D

raw

the

expa

nded

str

uctu

ral f

orm

ula

by a

ddin

g th

e hy

drog

en a

tom

s, u

sing

sin

gle

bond

s to

eac

h of

the

carb

on a

tom

s.

Cop

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201

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. All

Rig

hts

Res

erve

d

Dra

win

g E

xpan

ded,

Con

dens

ed, a

nd L

ine-

Ang

le S

truc

tura

l For

mul

as (2

of 3

)

Dra

w th

e ex

pand

ed, c

onde

nsed

, and

line

-ang

le s

truct

ural

fo

rmul

a fo

r pen

tane

.

Step

3: D

raw

the

cond

ense

d st

ruct

ural

form

ula

by

com

bini

ng th

e H

ato

ms

with

eac

h C

ato

m.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Dra

win

g E

xpan

ded,

Con

dens

ed, a

nd L

ine-

Ang

le S

truc

tura

l For

mul

as (3

of 3

)

Dra

w th

e ex

pand

ed, c

onde

nsed

, and

line

-ang

le s

truct

ural

fo

rmul

a fo

r pen

tane

.

Step

4: D

raw

the

line-

angl

e st

ruct

ural

form

ula

as a

zi

gzag

line

in w

hich

the

ends

and

cor

ners

re

pres

ent C

ato

ms.

Cop

yrig

ht ©

201

6, 2

013,

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0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Con

form

atio

ns o

f Alk

anes

•Si

ngle

bon

ds c

an s

pin

and

rota

te.

•Th

us d

iffer

ent a

rrang

emen

ts, k

now

n as

con

form

atio

ns, o

ccur

dur

ing

the

rota

tion

abou

t a s

ingl

e bo

nd.

•ht

tp://

sym

met

ry.o

tterb

ein.

edu/

galle

ry/in

dex.

htm

l

Cop

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ht ©

201

6, 2

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n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stru

ctur

al F

orm

ulas

: C4H

10

As b

utan

e (C

4H10

) rot

ates

, som

etim

es th

elin

e up

in fr

ont o

f eac

h ot

her,

and

at o

ther

tim

es th

ey a

re

oppo

site

eac

h ot

her.

Buta

ne c

an b

e dr

awn

usin

g a

varie

ty o

f tw

o-di

men

sion

al c

onde

nsed

stru

ctur

al fo

rmul

as:

Cop

yrig

ht ©

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6, 2

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0Pe

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n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stru

ctur

al F

orm

ulas

: C4H

10

Cop

yrig

ht ©

201

6, 2

013,

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0Pe

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n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cyc

loal

kane

s

Hyd

roca

rbon

s ca

n al

so fo

rm in

to c

ircle

s or

ring

s ca

lled:

cy

cloa

lkan

es

•ha

ve tw

o fe

wer

hyd

roge

n at

oms

than

the

open

cha

in fo

rm.

•ar

e na

med

by

usin

g th

e pr

efix

cyc

lobe

fore

the

nam

e of

th

e al

kane

cha

in w

ith th

e sa

me

num

ber o

f car

bon

atom

s.

Cop

yrig

ht ©

201

6, 2

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0Pe

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n Ed

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ion,

Inc

. All

Rig

hts

Res

erve

d

Form

ulas

of C

yclo

alka

nes

Tabl

e12

.4 F

orm

ulas

of S

ome

Com

mon

Cyc

loal

kane

sN

ame

BLA

NK

BLA

NK

BLA

NK

Cyc

lopr

opan

eC

yclo

buta

neC

yclo

pent

ane

Cyc

lohe

xane

Bal

l-and

-Stic

k M

odel

BLA

NK

BLA

NK

BLA

NK

Thre

e ca

rbon

s si

ngle

-bon

ded

to e

ach

othe

r in

a tri

angu

lar p

atte

rn,

with

eac

h ca

rbon

sin

gle-

bond

ed to

2 h

ydro

gens

.Th

e ba

ll an

d st

ick

mod

el s

how

s fo

ur

carb

ons

sing

le-b

onde

d to

eac

h ot

her i

n a

squa

re p

atte

rn, w

ith e

ach

carb

on s

ingl

e-

bond

ed to

2 h

ydro

gens.

The

ball

and

stic

k m

odel

sho

ws

five

carb

ons

sing

le-b

onde

d to

eac

h ot

her i

n a

pent

agon

al p

atte

rn, w

ith e

ach

carb

on

sing

le-b

onde

d to

2 h

ydro

gens

.

The

ball

and

stic

k m

odel

sho

ws

six

carb

ons

sing

le-b

onde

d to

eac

h ot

her i

n a

hexa

gona

l pat

tern

, with

eac

h ca

rbon

sing

le-b

onde

d to

2 h

ydro

gens.

Con

dens

ed S

truc

tura

l For

mul

aB

LAN

KB

LAN

KB

LAN

KTh

e co

nden

sed

stru

ctur

al fo

rmul

a sh

ows

a tri

angu

lar r

ing

of th

ree

C

H 2

mol

ecul

es.

The

cond

ense

d st

ruct

ural

form

ula

show

s a

squa

re ri

ng o

f fou

r C H

2 m

olec

ules

.Th

e co

nden

sed

stru

ctur

al fo

rmul

a sh

ows

a pe

ntag

onal

ring

of f

ive

C H

2

mol

ecul

es.

The

cond

ense

d st

ruct

ural

form

ula

show

s a

hexa

gona

l rin

g of

six

C H

2

mol

ecul

es.

Line

-Ang

le S

truc

tura

l For

mul

aB

LAN

KB

LAN

KB

LAN

KTh

e lin

e-an

gle

stru

ctur

al fo

rmul

a is

a tr

iang

le.

The

line-

angl

e st

ruct

ural

form

ula

show

s a

squa

re.

The

line-

angl

e st

ruct

ural

form

ula

show

s

a pe

ntag

on.

The

line-

angl

e st

ruct

ural

form

ula

show

s a

hexa

gon.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stud

y C

heck

Giv

e th

e IU

PAC

nam

e fo

r eac

h of

the

follo

win

g co

mpo

unds

:

A. B.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stud

y C

heck

Nam

e th

e fo

llow

ing

alka

nes:

A.

B. C.

D.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cha

pter

12

12.1

–O

rgan

ic C

ompo

unds

12.2

–Al

kane

s

12.3

–Al

kane

s w

ith S

ubst

ituen

ts

12.4

–Pr

oper

ties

of A

lkan

es

12.5

–Al

kene

s an

d Al

kyne

s

12.6

–C

is-T

rans

Isom

ers

12.7

–Ad

ditio

n R

eact

ions

for A

lken

es

12.8

–Ar

omat

ic C

ompo

unds

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

12.3

–A

lkan

es a

nd S

ubst

ituen

tsW

rite

the

IUPA

C n

ames

for a

lkan

es w

ith s

ubst

ituen

ts a

nd d

raw

thei

r co

nden

sed

and

line-

angl

e st

ruct

ural

form

ulas

.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stru

ctur

al Is

omer

sSt

ruct

ural

isom

ers

•ha

ve th

e sa

me

mol

ecul

ar fo

rmul

a w

ith a

diff

eren

t arra

ngem

ent

of a

tom

s.

•ha

ve th

e sa

me

num

ber o

f ato

ms

bond

ed in

a d

iffer

ent o

rder

.

Buta

ne (C

4H10

) has

two

stru

ctur

al is

omer

s: a

str

aigh

t cha

in a

nd a

br

anch

ed c

hain

.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stud

y C

heck

D

raw

thre

e po

ssib

le s

truct

ural

isom

ers

of p

enta

ne

(C5H

12).

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Solu

tion

Dra

w th

ree

poss

ible

stru

ctur

al is

omer

s of

pen

tane

(C

5H12

).

Stru

ctur

al

Isom

ers

ofC

5H12

Stru

ctur

al Is

omer

s of

C5H

12St

ruct

ural

Isom

ers

of

C5H

12

Stru

ctur

al Is

omer

s of

C5H

12

Con

dens

edTh

e fir

st c

onde

nsed

stru

ctur

al fo

rmul

a is

a s

traig

ht c

hain

of s

ingl

e-bo

nded

mol

ecul

es a

s fo

llow

s. C

H 3

, C H

2, C

H 2

, C H

2, C

H 3

.Th

e se

cond

con

dens

ed s

truct

ural

form

ula

is a

bra

nche

d ch

ain

as fo

llow

s. C

H 3

, C H

sin

gle-

bond

ed to

C H

3 a

bove

, C

H 2

, C H

3.

The

third

con

dens

ed s

truct

ural

form

ula

is a

cen

tral C

si

ngle

-bon

ded

to fo

ur C

H 3

mol

ecul

es a

bove

, bel

ow,

right

war

d, a

nd le

ftwar

d.

Line

-Ang

leTh

e lin

e-an

gle

stru

ctur

al f

orm

ula

show

s a

zigz

ag li

ne m

ade

of 4

seg

men

ts f

orm

ing

3 an

gles

.Th

e lin

e-an

gle

stru

ctur

al f

orm

ula

show

s a

zigz

ag o

f 3 s

egm

ents

for

min

g 2

angl

es,

with

a

four

th s

egm

ent

risin

g ve

rtica

lly f

rom

the

first

ang

le.

The

line-

angl

e st

ruct

ural

for

mul

a sh

ows

2 ris

ing

and

fallin

g lin

e se

gmen

ts w

ith 2

seg

men

ts r

isin

g di

agon

ally

rig

ht a

nd le

ft fro

m th

e an

gle.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stud

y C

heck

Is

the

pair

of fo

rmul

as s

truct

ural

isom

ers?

Or t

he s

ame

mol

ecul

e?

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Subs

titue

nts

in A

lkan

es•

Whe

n C

H3

bran

ches

off

of a

car

bon

chai

n, it

’s c

alle

d an

alk

yl g

roup

•W

hen

a ha

loge

n at

om (G

roup

17)

is a

ttach

ed to

a c

arbo

n ch

ain,

it is

na

med

as

a ha

logr

oup

with

the

term

s –f

luor

o, -c

hlor

o, -b

rom

o, -i

odo

base

d on

whi

ch e

lem

ent i

t is.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Subs

titue

nts a

nd A

lkyl

Gro

ups

Tabl

e 12

.5 F

orm

ulas

and

Nam

es o

f Som

e C

omm

on S

ubst

ituen

ts

Form

ula

Nam

e

Form

ula,

C H

3, s

ingl

e bo

nd. n

ame,

met

hyl.

Form

ula,

stra

ight

cha

in, C

H 3

, C H

2,si

ngle

bo

nd. n

ame,

eth

yl.

BLA

NK

BLA

NK

Form

ula

Nam

e

Form

ula,

stra

ight

cha

in, C

H 3

, C H

2, C

H 2

, sin

gle

bond

. nam

e,

prop

yl.

Form

ula,

bra

nche

d ch

ain,

C H

3, C

H w

ith s

ingl

e bo

nd a

bove

, C

H 3.

nam

e, is

opropy

l.BL

ANK

BLAN

K

Form

ula

Nam

e

Form

ula,

stra

ight

cha

in, C

H 3

, C H

2, C

H 2

, C H

2, s

ingl

e bo

nd.

nam

e, b

utyl

.Fo

rmul

a, b

ranc

hed

chai

n, C

H 3

, C H

sin

gle-

bond

ed to

C H

3

abov

e, C

H 2

, sin

gle

bond

. nam

e, is

obut

yl.

Form

ula,

C H

3, C

H w

ith s

ingl

e bo

nd a

bove

, C

H 2

, C

H 3

. nam

e, s

econ

dary

but

yl.

Form

ula,

cen

tral C

with

sin

gle

bond

ab

ove

and

thre

e C

H 3

mol

ecul

es

belo

w, r

ight

war

d, a

nd le

ftwar

d.

nam

e, te

rtiar

y bu

tyl.

Form

ula

Nam

e

Form

ula,

F, s

ingl

e bo

nd. n

ame,

flu

oro.

Form

ula,

F, s

ingl

e bo

nd. n

ame,

flu

oro.

Form

ula,

B r,

sin

gle

bond

. nam

e, b

rom

o.Fo

rmul

a, I

, sin

gle

bond

. nam

e, io

do.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Nam

ing

Alka

nes

with

Sub

stitu

ents

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Nam

ing

Alka

nes

with

Sub

stitu

ents

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Nam

ing

Cyc

loal

kane

s w

ith S

ubst

ituen

ts

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Nam

ing

Cyc

loal

kane

s w

ith S

ubst

ituen

ts

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Nam

ing

Hal

oalk

anes

Hal

oalk

anes

•ar

e al

akan

es w

ith a

hal

ogen

ato

m th

at re

plac

es a

hyd

roge

n at

om.

•ar

e na

med

by

putti

ng th

e su

bstit

uent

s in

alp

habe

tical

ord

er.

•ha

ve th

e ha

lo g

roup

num

bere

d ac

cord

ing

to th

e ca

rbon

whe

re it

is

atta

ched

to th

e al

kane

.Ex

ampl

es o

f H

aloa

lkan

esB

LAN

KB

LAN

KB

LAN

KB

LAN

K

Form

ula

stra

ight

cha

in, C

H 3

, C l

stra

ight

cha

in, C

H 3

, C H

2, B

rB

ranc

hed

chai

n, C

H 3

, C H

sin

gle-

bond

ed to

an

F ab

ove

A c

entra

l C s

ingl

e-bo

nded

to C

l ab

ove

and

thre

e C

H 3

mol

ecul

es b

elow

, rig

htw

ard,

and

leftw

ard

IUPA

CC

hlor

omet

hane

Brom

oeth

ane

2-Fl

uoro

prop

ane

2-C

hlor

o-2-

met

hylp

ropa

ne

Com

mon

Met

hyl c

hlor

ide

Ethy

l bro

mid

eIs

opro

pyl f

luor

ide

Tert

-But

yl c

hlor

ide

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Dra

win

g th

e m

olec

ule

from

the

nam

eD

raw

the

cond

ense

d an

d lin

e-an

gle

stru

ctur

al fo

rmul

as fo

r 2,

3-di

met

hylb

utan

e.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Dra

win

g th

e m

olec

ule

from

the

nam

eD

raw

the

cond

ense

d an

d lin

e-an

gle

stru

ctur

al fo

rmul

as fo

r 2-

brom

o-3-

ethy

l-4-m

ethy

lpen

tane

.

Cop

yrig

ht ©

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013,

201

0Pe

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ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cha

pter

12

12.1

–O

rgan

ic C

ompo

unds

12.2

–Al

kane

s

12.3

–Al

kane

s w

ith S

ubst

ituen

ts

12.4

–Pr

oper

ties

of A

lkan

es

12.5

–Al

kene

s an

d Al

kyne

s

12.6

–C

is-T

rans

Isom

ers

12.7

–Ad

ditio

n R

eact

ions

for A

lken

es

12.8

–Ar

omat

ic C

ompo

unds

Cop

yrig

ht ©

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ion,

Inc

. All

Rig

hts

Res

erve

d

12.4

–Pr

oper

ties

of A

lkan

esId

entif

y th

e pr

oper

ties

of a

lkan

es a

nd w

rite

a ba

lanc

ed c

hem

ical

eq

uatio

n fo

r com

bust

ion.

Cop

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ht ©

201

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013,

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0Pe

arso

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ion,

Inc

. All

Rig

hts

Res

erve

d

Prop

ertie

s of

Alk

anes

Man

y ty

pes

of a

lkan

es a

re th

e co

mpo

nent

s of

fuel

s th

at p

ower

our

car

s an

d oi

l tha

t he

ats

our h

ome.

The

solid

alk

anes

that

mak

e up

wax

y co

atin

gs o

n fru

its a

nd v

eget

able

s he

lp

reta

in m

oist

ure,

inhi

bit m

old,

and

enh

ance

ap

pear

ance

.

The

diffe

rent

use

s of

alk

ane

com

poun

ds

resu

lt fro

m th

eir p

hysi

cal p

rope

rties

, in

clud

ing

thei

r sol

ubilit

y an

d de

nsity

.

Cop

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ht ©

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013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Use

s of A

lkan

es (1

of 2

)

Alka

nes

with

one

to fo

ur c

arbo

ns a

re g

ases

at r

oom

te

mpe

ratu

re a

nd a

re w

idel

y us

ed a

s he

atin

g fu

els.

met

hane

, eth

ane,

pro

pane

, but

ane

But

ane

has

four

car

bons

:

Alka

nes

with

five

to e

ight

car

bons

are

hig

hly

vola

tile

liqui

ds

at ro

om te

mpe

ratu

re, w

hich

mak

es th

em u

sefu

l as

fuel

s.

pent

ane,

hex

ane,

hep

tane

, oct

ane

Oct

ane

has

eigh

t car

bons

:

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Use

s of A

lkan

es (2

of 2

)

Alka

nes

with

9−1

7 ca

rbon

s ar

e liq

uids

with

hig

her b

oilin

g po

ints

and

are

foun

d in

mot

or o

ils, m

iner

al o

il, k

eros

ene,

di

esel

, and

jet f

uels

.

Dec

ane

has

10 c

arbo

ns:

•Al

kane

s w

ith 1

8 or

mor

e ca

rbon

ato

ms,

kno

wn

as

para

ffins

, are

wax

y so

lids

at ro

om te

mpe

ratu

re.

•Pe

trole

um je

lly, o

r Vas

elin

e, is

a s

emis

olid

mix

ture

of

hydr

ocar

bons

with

mor

e th

an 2

5 ca

rbon

ato

ms.

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ht ©

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n Ed

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ion,

Inc

. All

Rig

hts

Res

erve

d

Mel

ting

and

Boi

ling

Poin

ts (1

of 4

)

Alka

nes

•ha

ve th

e lo

wes

t mel

ting

and

boilin

g po

ints

of o

rgan

ic

com

poun

ds.

•co

ntai

n on

ly th

e no

npol

ar b

onds

of

•ex

hibi

t onl

y w

eak

disp

ersi

on fo

rces

in th

e so

lid a

nd li

quid

sta

tes.

Long

er-c

hain

alk

anes

hav

e m

ore

disp

ersi

on fo

rces

.

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yrig

ht ©

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013,

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0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Mel

ting

and

Boi

ling

Poin

ts (2

of 4

)

Bran

ched

alk

anes

•ha

ve lo

wer

boi

ling

poin

ts th

an th

e st

raig

ht-c

hain

isom

ers.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Mel

ting

and

Boi

ling

Poin

ts (2

of 4

)

Bran

ched

alk

anes

•ha

ve lo

wer

boi

ling

poin

ts th

an th

e st

raig

ht-c

hain

isom

ers.

•te

nd to

be

mor

e co

mpa

ct, r

educ

ing

the

poin

ts o

f con

tact

be

twee

n th

e m

olec

ules

.

•do

not

hav

e lin

ear s

hape

s an

d ca

nnot

line

up

clos

e to

eac

h ot

her.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Mel

ting

and

Boi

ling

Poin

ts (3

of 4

)

Cyc

loal

kane

s

•ha

ve h

ighe

r boi

ling

poin

ts th

an th

e st

raig

ht-c

hain

alk

anes

w

ith th

e sa

me

num

ber o

f car

bon

atom

s.

•ha

ve li

mite

d ro

tatio

n of

car

bon

bond

s; th

ey m

aint

ain

thei

r rig

id s

truct

ure

and

can

be s

tack

ed c

lose

ly to

geth

er, w

hich

gi

ves

them

man

y po

ints

of c

onta

ct a

nd a

ttrac

tions

to e

ach

othe

r.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Mel

ting

and

Boi

ling

Poin

ts (4

of 4

)

We

can

com

pare

the

boilin

g po

ints

of s

traig

ht-c

hain

alk

anes

, br

anch

ed-c

hain

alk

anes

, and

cyc

loal

kane

s.Ta

ble

12.6

Com

paris

on o

f Boi

ling

Poin

ts o

f Alk

anes

and

Cyc

loal

kane

s w

ith F

ive

Car

bons

Form

ula

Nam

eB

oilin

g Po

int (

°C)

Stra

ight

-Cha

in A

lkan

eBL

ANK

BLAN

KS

traig

ht c

hain

alk

anes

. co

nden

sed

stru

ctur

al

form

ula,

C

H 3

, C H

2, C

H 2

, C H

2, C

H 3

Pent

ane

36

Bra

nche

d-C

hain

Alk

anes

BLAN

KBL

ANK

Bra

nche

d ch

ain

alka

nes.

con

dens

ed s

truct

ural

for

mul

a,

C H

3, C

H s

ingl

e-bo

nded

to

C H

3, C

H 2

, C H

3

2-M

ethy

lbut

ane

28

Cen

tral

C s

ingl

e-bo

nded

to

four

C H

3 m

olec

ules

Dim

ethy

lpro

pane

10

Cyc

loal

kane

BLAN

KBL

ANK

line-

angl

e st

ruct

ural

fo

rmul

a,

a pe

ntag

onal

ring

Cyc

lope

ntan

e49

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Com

bust

ion

of A

lkan

es (1

of 3

)

The

carb

on–c

arbo

n si

ngle

bon

ds in

alk

anes

are

diff

icul

t to

brea

k, w

hich

mak

es th

em th

e le

ast r

eact

ive

fam

ily o

f org

anic

co

mpo

unds

.

How

ever

, alk

anes

bur

n re

adily

in o

xyge

n to

pro

duce

car

bon

diox

ide,

wat

er, a

nd e

nerg

y.

Alka

ne O

2

CO

2

H2O

+ e

nerg

yg

gg

g

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Com

bust

ion

of A

lkan

es (3

of 3

)

Met

hane

is th

e na

tura

l gas

we

use

to c

ook

our f

ood

and

heat

our

hom

es. T

he e

quat

ion

for t

he c

ombu

stio

n of

m

etha

ne (C

H4)

is w

ritte

n as

follo

ws:

42

22

CH

2

O

CO

2

HO

+ e

nerg

yg

gg

g2

Prop

ane

is th

e ga

s us

ed in

por

tabl

e he

ater

s an

d ga

s ba

rbec

ues.

The

equ

atio

n fo

r the

com

bust

ion

of p

ropa

ne

(C3H

8) is

writ

ten

as fo

llow

s:

42

22

CH

5

O

3C

O

4H

O +

ene

rgy

gg

gg

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Solu

bilit

y an

d D

ensi

ty o

f Alk

anes

Alka

nes

are

•no

npol

ar.

•in

solu

ble

in w

ater

.

•le

ss d

ense

than

wat

er.

•fla

mm

able

in a

ir.

•fo

und

in c

rude

oil.

If th

ere

is a

n oi

l spi

ll in

the

ocea

n, th

e al

kane

s in

the

crud

e oi

l do

not

mix

with

the

wat

er b

ut fl

oat o

n to

p, fo

rmin

g a

thin

la

yer o

n th

e su

rface

.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cha

pter

12

12.1

–O

rgan

ic C

ompo

unds

12.2

–Al

kane

s

12.3

–Al

kane

s w

ith S

ubst

ituen

ts

12.4

–Pr

oper

ties

of A

lkan

es

12.5

–Al

kene

s an

d Al

kyne

s

12.6

–C

is-T

rans

Isom

ers

12.7

–Ad

ditio

n R

eact

ions

for A

lken

es

12.8

–Ar

omat

ic C

ompo

unds

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

12.5

–Al

kene

s an

d Al

kyne

sId

entif

y st

ruct

ural

form

ulas

as

alke

nes,

cyc

loal

kene

s, a

nd a

lkyn

es a

nd w

rite

thei

r IU

PAC

nam

es.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Alk

enes

and

Alk

ynes

Alke

nes

are

hydr

ocar

bons

that

con

tain

dou

ble

bond

s.

Alky

nes

are

hydr

ocar

bons

that

con

tain

tripl

e bo

nds

•ar

e ca

lled

unsa

tura

ted

hydr

ocar

bons

bec

ause

they

do

not

cont

ain

the

max

imum

num

ber o

f hyd

roge

n at

oms.

•re

act w

ith h

ydro

gen

gas

to in

crea

se th

e nu

mbe

r of

hydr

ogen

ato

ms

and

beco

me

alka

nes.

Rem

embe

r, ca

rbon

ato

ms

alw

ays

form

four

cova

lent

bon

ds.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Iden

tifyi

ng A

lken

es

Alke

nes

cont

ain

one

or m

ore

carb

on–c

arbo

n do

uble

bo

nds.

In e

then

e (C

2H4)

, tw

o ca

rbon

ato

ms

are

conn

ecte

d by

a

doub

le b

ond.

Each

car

bon

atom

in th

e do

uble

bon

d is

atta

ched

to tw

o hy

drog

en a

tom

s an

d ha

s a

trigo

nal p

lana

r arra

ngem

ent

with

bon

d an

gles

of 1

20°.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Eth

ene

(C2H

4)Et

hene

(C2H

4),

mor

e co

mm

only

ca

lled

ethy

lene

,

•is

an

impo

rtant

pla

nt h

orm

one

invo

lved

in p

rom

otin

g th

e rip

enin

g of

frui

ts s

uch

as

bana

nas.

•ac

cele

rate

s th

e br

eakd

own

of

cellu

lose

in p

lant

s, w

hich

ca

uses

flow

ers

to w

ilt a

nd

leav

es to

fall

from

tree

s.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Oth

er a

lken

e ex

ampl

es

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Iden

tifyi

ng A

lkyn

esAl

kyne

sco

ntai

n on

e or

mor

e ca

rbon

–car

bon

tripl

e bo

nds.

In e

thyn

e (C

2H2)

,

•ea

ch c

arbo

n is

als

o bo

nded

to o

ne H

ato

m.

Each

car

bon

atom

in th

e tri

ple

bond

has

a li

near

ar

rang

emen

t with

bon

d an

gles

of 1

80°.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Eth

yne

(C2H

2)Et

hyne

(C2H

2),

mor

e co

mm

only

ca

lled

acet

ylen

e

•Is

use

d in

wel

ding

whe

re it

re

acts

with

oxy

gen

to p

rodu

ce

flam

es w

ith te

mpe

ratu

res

abov

e 33

00°C

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Oth

er a

lkyn

e ex

ampl

es

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stud

y C

heck

(1 o

f 4)

Iden

tify

each

of t

he fo

llow

ing

com

poun

ds a

s an

alk

ene

or a

lkyn

e:

A. B.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Nam

ing

Alk

anes

, Alk

enes

, and

Alk

ynes

The

IUPA

C n

ames

for a

lken

es a

nd a

lkyn

es

•ar

e si

mila

r to

thos

e of

alk

anes

.

•us

e th

e al

kane

nam

e w

ith th

e sa

me

num

ber o

f car

bon

atom

s, re

plac

ing

the

ane

endi

ng w

ith e

ne.

Cyc

lic a

lken

es a

re n

amed

as

cycl

oalk

enes

.Ta

ble

12.7

Com

paris

on o

f Nam

es fo

r Alk

anes

, Alk

enes

, and

Alk

ynes

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stud

y C

heck

W

rite

IUP

AC n

ame

for t

he fo

llow

ing:

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stud

y C

heck

W

rite

IUP

AC n

ame

for t

he fo

llow

ing:

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Solu

tion

(1 o

f 4)

Step

1: N

ame

the

long

est c

arbo

n ch

ain

that

con

tain

s th

e do

uble

or

trip

le b

ond.

Anal

yze

the

Prob

lem

Giv

enfiv

e-ca

rbon

cha

in d

oubl

e bo

nd,

met

hyl g

roup

Nee

dIU

PAC

nam

e fiv

e ca

rbon

ato

ms—

pent

ene

A.

Anal

yze

the

Prob

lem

Giv

ensi

x-ca

rbon

trip

le b

ond

Nee

dIU

PAC

nam

esi

x ca

rbon

ato

ms—

hexy

ne

B.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Solu

tion

(2 o

f 4)

Step

2: N

umbe

r the

car

bon

chai

n, s

tart

ing

from

the

end

near

er th

e do

uble

or t

riple

bon

d.

A.1

2

3

4

5

2-pe

nten

e

B.5

43

21

62-

hexy

ne

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Solu

tion

(3 o

f 4)

Step

3: G

ive

the

loca

tion

and

nam

e of

eac

h su

bstit

uent

(alp

habe

tical

ord

er) a

s a

pref

ix

to th

e al

kene

or a

lkyn

e na

me.

A.1

2

3

4

5

4-m

ethy

l-2-p

ente

ne

B.5

43

21

6

2-he

xyne

; the

re a

re n

o su

bstit

uent

s in

this

com

poun

d.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Nam

ing

Cyc

loal

kene

sC

yclo

alke

nes

have

a d

oubl

e bo

nd w

ithin

a ri

ng s

truct

ure

and

•ar

e na

med

by

assi

gnin

g th

e do

uble

bon

d to

be

betw

een

carb

on

1 an

d ca

rbon

2 w

hen

a su

bstit

uent

is o

n th

e rin

g.

•do

not

nee

d to

incl

ude

the

num

bers

for t

he d

oubl

e bo

nd.

3-m

ethy

lcyc

lope

nten

e (It

is u

nder

stoo

d th

at th

e do

uble

bon

d is

bet

wee

n ca

rbon

1 a

nd c

arbo

n 2.

)

The

carb

on a

tom

s in

the

ring

are

num

bere

d to

giv

e th

e do

uble

bo

nd n

umbe

rs 1

and

2 a

nd th

e lo

wes

t pos

sibl

e nu

mbe

r to

any

subs

titue

nts

pres

ent.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stud

y C

heck

(4 o

f 4)

Nam

e th

e fo

llow

ing

alke

nes

and

alky

nes:

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Solu

tion

(4 o

f 4)

Nam

e th

e fo

llow

ing

alke

nes

and

alky

nes:

cycl

ohex

ene

3,3-

dim

ethy

lcyc

lope

nten

e

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Che

mis

try

Lin

k to

the

Env

iron

men

t:

Frag

rant

Alk

enes

(1 o

f 2)

The

odor

s yo

u as

soci

ate

with

le

mon

s, o

rang

es, r

oses

, and

la

vend

er c

ome

from

the

vola

tile

com

poun

ds th

at a

re

synt

hesi

zed

by th

e pl

ants

th

at p

rodu

ce th

ese

flow

ers

and

fruits

.O

ften

thes

e co

mpo

unds

co

ntai

n do

uble

or t

riple

bon

ds

or ri

ng s

truct

ures

; the

y ar

e un

satu

rate

d.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cha

pter

12

12.1

–O

rgan

ic C

ompo

unds

12.2

–Al

kane

s

12.3

–Al

kane

s w

ith S

ubst

ituen

ts

12.4

–Pr

oper

ties

of A

lkan

es

12.5

–Al

kene

s an

d Al

kyne

s

12.6

–C

is-T

rans

Isom

ers

12.7

–Ad

ditio

n R

eact

ions

for A

lken

es

12.8

–Ar

omat

ic C

ompo

unds

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cis–T

rans

Isom

ers

In a

n al

kene

, the

dou

ble

bond

is ri

gid

and

does

not

rota

te.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cis–T

rans

Isom

ers (

1 of

2)

In a

n al

kene

, the

dou

ble

bond

is ri

gid

and

does

not

rota

te.

•ho

lds

atta

ched

gro

ups

in fi

xed

posi

tions

.

•m

akes

cis

–tra

ns is

omer

s (g

eom

etric

isom

ers)

pos

sibl

e w

hen

two

diffe

rent

gro

ups

are

atta

ched

to th

e ca

rbon

ato

ms

on e

ach

side

of t

he

doub

le b

ond.

•re

quire

s a

pref

ix o

fcis

or tr

ans

to re

flect

the

arra

ngem

ent o

f gro

ups

acro

ss th

e do

uble

bon

d.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cis–T

rans

Isom

ers

Cis

–tra

ns is

omer

s

•ha

ve d

iffer

ent p

hysi

cal a

nd c

hem

ical

pro

perti

es.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cis–T

rans

Isom

ers o

f But

ene

•In

a c

is is

omer

, the

alk

yl g

roup

s ar

e at

tach

ed o

n th

e sa

me

side

of t

he

doub

le b

ond

and

H a

tom

s ar

e on

the

othe

r sid

e.

•In

the

tran

s is

omer

, the

gro

ups

and

H a

tom

s ar

e at

tach

ed o

n op

posi

te

side

s of

the

doub

le b

ond.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cis–T

rans

Isom

ers (

2 of

2)

Cis

–tra

ns is

omer

s

•ca

nnot

occ

ur w

hen

two

grou

ps a

re th

e sa

me

on o

ne o

f the

ca

rbon

s.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Che

mis

try

Lin

k to

the

Env

iron

men

t:

Pher

omon

es (1

of 2

)

Man

y in

sect

s em

it m

inut

e qu

antit

ies

of c

hem

ical

s ca

lled

pher

omon

es to

sen

d ot

hers

of t

he s

ame

spec

ies

mes

sage

s.

Pher

omon

es m

ay

•w

arn

an in

sect

of

dang

er.

•m

ark

a tra

il.

•at

tract

the

oppo

site

sex

.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Che

mis

try

Lin

k to

the

Env

iron

men

t:

Pher

omon

es (2

of 2

)

The

effe

ctiv

enes

s of

man

y of

thes

e ph

erom

ones

dep

ends

on

the

cis

or tr

ans

conf

igur

atio

n of

the

doub

le b

onds

in th

e m

olec

ules

.

One

phe

rom

one

is b

omby

kol,

•th

e se

x ph

erom

one

prod

uced

by

the

fem

ale

silk

wor

m m

oth.

•w

hich

con

tain

s on

e ci

s do

uble

bon

d an

d on

e tra

ns d

oubl

e bo

nd.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cis–T

rans

Isom

ers

Iden

tify

each

of t

he fo

llow

ing

as c

is o

r tra

ns

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Nam

ing

Cis–T

rans

Isom

ers

The

pref

ix o

f cis

or tr

ans

is p

lace

d in

fron

t of t

he a

lken

e na

me

whe

n th

e co

mpo

und

is a

cis

or t

rans

isom

er.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stud

y C

heck

Nam

e, u

sing

cis

or tr

ans

pref

ixes

whe

n ne

eded

.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stud

y C

heck

Nam

e, u

sing

cis

or tr

ans

pref

ixes

whe

n ne

eded

.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stud

y C

heck

Nam

e, u

sing

cis

or tr

ans

pref

ixes

whe

n ne

eded

.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Solu

tion

Nam

e ea

ch, u

sing

cis

or tr

ans

pref

ixes

whe

n ne

eded

.

A.ci

s-2,

3-di

chlo

robu

tene

B.tr

ans-

2,3-

dibr

omob

uten

e

C.

tran

s-2-

bute

ne

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cha

pter

12

12.1

–O

rgan

ic C

ompo

unds

12.2

–Al

kane

s

12.3

–Al

kane

s w

ith S

ubst

ituen

ts

12.4

–Pr

oper

ties

of A

lkan

es

12.5

–Al

kene

s an

d Al

kyne

s

12.6

–C

is-T

rans

Isom

ers

12.7

–Ad

ditio

n R

eact

ions

for A

lken

es

12.8

–Ar

omat

ic C

ompo

unds

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

12.7

–Ad

ditio

n R

eact

ions

for A

lken

esD

raw

the

cond

ense

d or

line

-ang

le s

truct

ural

form

ulas

and

giv

e th

e na

mes

of

the

orga

nic

prod

ucts

of a

dditi

on re

actio

ns o

f alk

enes

. Dra

w a

con

dens

ed

stru

ctur

al fo

rmul

a fo

r a s

ectio

n of

a p

olym

er.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Addi

tion

Rea

ctio

ns•Al

kane

s ar

e ve

ry s

tabl

e an

d no

nrea

ctiv

e.

•Al

kene

s an

d Al

kyne

s, o

n th

e ot

her h

and,

reac

t rea

dily

with

oth

er

mol

ecul

es d

ue to

the

doub

le a

nd tr

iple

bon

ds.

–Th

ese

bond

sac

tas

an“e

lect

ron

sour

ce.”

(Tw

o el

ectro

ns p

er b

ond.

) –

Addi

tion

reac

tions

are

the

mos

tcom

mon

, whe

re s

omet

hing

is

adde

d to

eac

h ca

rbon

in th

e do

uble

or t

riple

bon

d.

•W

ew

illfo

cus

onal

kene

s,ho

wev

erth

ese

reac

tions

can

appl

yto

alky

nes

asw

ell.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Hyd

roge

natio

n

•In

hydr

ogen

atio

n,H

atom

sad

d to

eac

h of

the

carb

on a

tom

s in

a

doub

le b

ond

of a

n al

kene

.

•D

urin

ghy

drog

enat

ion,

the

doub

lebo

nds

are

conv

erte

dto

sing

lebo

nds

ofal

kane

s.

•A

cata

lyst

, suc

h as

pla

tinum

(Pt),

nic

kel (

Ni),

or p

alla

dium

(Pd)

is u

sed

to

spee

d up

the

reac

tion.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Prac

tice

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Hyd

ratio

n•In

hyd

ratio

n, a

n al

kene

reac

tions

with

wat

er (H

-OH

). A

hydr

ogen

ato

m (H

-) fro

m w

ater

form

sa

bond

with

one

carb

onat

omin

the

doub

lebo

nd, a

nd th

e ox

ygen

ato

m in

(-O

H) f

orm

s a

bond

with

the

othe

r car

bon.

•Th

e re

actio

n is

cata

lyze

d by

a s

trong

aci

d, s

uch

as H

2SO

4, w

ritte

n as

H+ .

•H

ydra

tion

is u

sed

to p

repa

re a

lcoh

ols,

whi

ch h

ave

the

hydr

oxyl

(-O

H) f

unct

iona

l gr

oup.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Hyd

ratio

n –

Mar

kovn

ikov

’s R

ule

•W

hen

wat

er is

add

ed to

an

asym

met

rical

alk

ene,

the

H is

add

ed to

the

carb

on

with

mor

e H

’s a

lread

y at

tach

ed. T

he –

OH

bon

ds to

the

othe

r car

bon.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Prac

tice

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Poly

mer

izat

ion

•A

poly

mer

is a

larg

e m

olec

ule

that

con

sist

s of

sm

all r

epea

ting

units

ca

lled

mon

omer

s.

•M

any

of th

ese

poly

mer

s ar

e pr

oduc

ed b

y ad

ditio

n re

actio

ns o

f alk

enes

.

•In

the

past

hund

red

year

s,th

e pl

astic

s in

dust

ry h

as m

ade

synt

hetic

po

lym

ers

such

as

thos

e in

car

petin

g, p

last

ic w

rap,

non

stic

k pa

ns,

artif

icia

l joi

ns, h

eart

valv

es, a

nd ra

in g

ear.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Poly

mer

izat

ion

Poly

mer

izat

ion

isth

e ad

ditio

n, o

r con

nect

ing,

of t

wo

alke

nes,

end

-to-e

nd.

Thes

ere

actio

nsre

quire

:–

high

tem

pera

ture

–a

cata

lyst

–hi

gher

pre

ssur

e(o

ver1

000

atm

)

Inan

addi

tion

reac

tion,

apo

lym

ergr

ows

long

eras

each

mon

omer

isad

ded

atth

een

d of

the

chai

n.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

dCop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Prac

tice

Dra

wa

porti

onof

apo

lym

erm

ade

from

poly

dich

loro

ethe

ne.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Cha

pter

12

12.1

–O

rgan

ic C

ompo

unds

12.2

–Al

kane

s

12.3

–Al

kane

s w

ith S

ubst

ituen

ts

12.4

–Pr

oper

ties

of A

lkan

es

12.5

–Al

kene

s an

d Al

kyne

s

12.6

–C

is-T

rans

Isom

ers

12.7

–Ad

ditio

n R

eact

ions

for A

lken

es

12.8

–Ar

omat

ic C

ompo

unds

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

12.8

–Ar

omat

ic C

ompo

unds

Des

crib

e th

e bo

ndin

g in

ben

zene

; nam

e ar

omat

ic c

ompo

unds

, and

dra

w

thei

r lin

e-an

gle

stru

ctur

al fo

rmul

as.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Ben

zene

•In

182

5, M

icha

el F

arad

ay is

olat

ed a

hyd

roca

rbon

cal

led

benz

ene.

•B

enze

neis

:–

An a

rom

atic

com

poun

d–

A rin

gof

six

Cat

oms,

each

bond

edto

one

Hat

om–

A fla

t rin

g st

ruct

ure

draw

with

thre

e al

tern

atin

g do

uble

bon

ds.

–R

epre

sent

ed b

ytw

ost

ruct

ures

,bec

ause

the

elec

trons

are

shar

edeq

ually

amon

gal

lthe

Cat

oms

–R

epre

sent

ed b

y a

line-

angl

e st

ruct

ural

form

ula

usin

g a

cirl

in th

e ce

nter

inst

ead

of a

ltern

atin

g do

uble

bon

ds.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

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n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Arom

atic

Com

poun

ds•An

aro

mat

ic c

ompo

und

is a

com

poun

d w

ith a

t lea

st o

ne b

enze

ne ri

ng in

it.

–Th

is c

lass

was

calle

dar

omat

icbe

caus

e w

hen

they

wer

e in

itial

ly d

isco

vere

d,

it w

as fo

und

they

ofte

n w

ere

the

sour

ce o

f sm

ells

.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Nam

ing

Aro

mat

ic C

ompo

unds

(1 o

f 5)

•Ar

omat

ic c

ompo

unds

con

tain

ing

a be

nzen

e rin

g an

d a

sing

le s

ubst

ituen

t are

nam

ed a

s be

nzen

e de

rivat

ives

.

•Si

nce

the

ring

cont

ains

onl

y on

e su

bstit

uent

, the

ring

is

not

num

bere

d.

•So

me

com

mon

nam

es s

uch

as to

luen

e, a

nilin

e, a

nd

phen

ol a

re a

llow

ed b

y IU

PAC

rule

s.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Nam

ing

Aro

mat

ic C

ompo

unds

(2 o

f 5)

•W

hen

a be

nzen

e rin

g is

a s

ubst

ituen

t, —

C6H

5, it

is

nam

ed a

s a

phen

yl g

roup

.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Nam

ing

Aro

mat

ic C

ompo

unds

(3 o

f 5)

•W

hen

ther

e ar

e tw

o or

mor

e su

bstit

uent

s, th

e be

nzen

e rin

g is

num

bere

d to

giv

e th

e lo

wes

t num

bers

to

the

subs

titue

nts

orth

o,m

eta,

par

a

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Nam

ing

Aro

mat

ic C

ompo

unds

(4 o

f 5)

•W

hen

a co

mm

on n

ame

such

as

tolu

ene,

phe

nol,

or a

nilin

e ca

n be

use

d,–

the

carb

on a

tom

atta

ched

to th

e m

ethy

l, hy

drox

yl, o

r am

ine

grou

p is

num

bere

d as

car

bon

1.–

pref

ixes

are

use

d to

sho

w th

e po

sitio

n of

the

two

subs

titue

nts.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Nam

ing

Aro

mat

ic C

ompo

unds

(5 o

f 5)

•Th

e co

mm

on n

ame

xyle

ne is

use

d fo

r the

isom

ers

of

dim

ethy

lben

zene

.

•If

thre

e or

mor

e su

bstit

uent

s ar

e at

tach

ed to

the

benz

ene

ring,

they

are

num

bere

d in

the

dire

ctio

n to

gi

ve th

e lo

wes

t set

of n

umbe

rs a

nd th

en n

amed

al

phab

etic

ally.

Cop

yrig

ht ©

201

6, 2

013,

201

0Pe

arso

n Ed

ucat

ion,

Inc

. All

Rig

hts

Res

erve

d

Stud

y C

heck

(1 o

f 2)

Sele

ct th

e co

rrect

nam

e fo

r eac

h co

mpo

und.

1.

A. c

hlor

ocyc

lohe

xane

B. c

hlor

oben

zene

C.

1-ch

loro

benz

ene

2.

A. 1

,2-d

imet

hylb

enze

ne

B. 1

,4-d

imet

hylb

enze

neC

. 1,

3-di

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