ald and ket
TRANSCRIPT
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1. Which of the following is 3-ethyl-2-hexanone?
a. A
b. B
c. C
*d. D
2. What is the hybridiation of the carbon ato! in a carbonyl gro"#?
a. 2#
b. s#
*c. s#2
d. s#3
3. Which of the following is an acce#table na!e for the co!#o"nd shown
below?
*a. ortho-!ethoxybenaldehyde
b. ortho-!ethoxyaceto#henone
c. ortho-for!ylanisole
d. ortho-!ethylaceto#henone
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$. What is the na!e of the following co!#o"nd?
a. 3-tert-b"tylhe#tanal
b. 2-iso#ro#ylhe#tanal
*c. 3-iso#ro#ylhe#tanal
d. 3-b"tyl-$-!ethyl#entanal
%. Which of the following is a he!iacetal?
a. A
*b. B
c. C
d. D
&. Which of the following is an acetal?
a. A
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b. B
c. C
*d. D
'. What is the ()AC na!e of the following co!#o"nd?
a. 3-!ethyl-%-he#tanone
b. %-ethyl-3-hexanone
*c. %-!ethyl-3-he#tanone
d. 2-ethyl-$-hexanone
+. (dentify the correct ()AC na!e of the co!#o"nd below.
a. $-benyl-%-!ethylhexanal
b. %-iso#ro#yl-%-#henylb"tanal
c. 2-!ethyl-3-#henylhexanal
*d. %-!ethyl-$-#henylhexanal
,. Which of the following is an acce#table ()AC na!e for the co!#o"nd
below?
a. o-bro!o-m-chlorobenaldehyde
b. &-bro!o-3-chlorobenaldehyde
*c. 2-bro!o-%-chlorobenaldehyde
d. 1-bro!o-$-chlorobenaldehyde
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1. Which of the following has the largest e/for the for!ation of the
hydrate 0as shown below?
a. A
b. B
c. C
*d. D
11. he carbon-oxygen bond of an aldehyde is for!ed by o4erla# of
which two orbitals?
a. s#-s#
b. s#2-s#2
c. s#2-2#
*d. 2#-2#
12. Which of the reagents below will oxidie a secondary alcohol to a
5etone?
a. 6iAl7$
b. 7(8$
*c. 2Cr28'9 72:8$;728
d. 7g:8
$
9 7
2
:8
$
;7
2
8
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13. (dentify the reagents needed to carry o"t the following con4ersion.
a. 72;6indlar d followed by 72:8$;728
b. 83followed by 728
*c. 7289 7g:8$;72:8$
d. 6iA17$followed by 728
1$. Which one of the following wor5s best as the reaction ste#s to
carry o"t the con4ersion below?
a. A
*b. B
c. C
d. D
1%. Which of the following reagents wo"ld carry o"t the isoto#ic
s"bstit"tion reaction shown below?
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a. 1+82;
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b. B
c. C
d. D
1+. he co!#o"nd shown below is the he!iacetal for!ed between
*a. #ro#anal and 2-#ro#anol.
b. 2-!ethyl#ro#anal and ethanol.
c. acetone and 1-#ro#anol.
d. ethanal and 2-!ethyl-1-#ro#anol.
1,. What is the #rod"ct of the reaction of b"tanal with excess !ethanol
and catalytic s"lf"ric acid?
a. A
b. B
c. C
*d. D
2. (dentify the #rod"cts of the hydrolysis of the following co!#o"nd.
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*a. A
b. B
c. C
d. D
21. Which one of the following is not an inter!ediate in the acid-
catalyed reaction of benaldehyde with 2 e/"i4alents of !ethanol to
gi4e benaldehyde di!ethyl acetal?
a. (
*b. ((
c. (((
d. (=
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22. he co!#o"nd shown below is the cyclic he!iacetal of
a. %-hydroxyhe#tanal.
*b. %-hydroxy-2-he#tanone.
c. &-hydroxy-3-he#tanone.
d. &-hydroxyhe#tanal.
23. What is the #rod"ct of the reaction shown?
*a. A
b. B
c. C
d. D
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2$. Acid-catalyed hydrolysis of the cyclic acetal below gi4es
a. ethanal and 2-chlorocyclohexanol.
b. 192-ethanediol and 2-chlorocyclohexanol.
c. ethanol and 2-chlorocyclohexanol.
*d. 192-ethanediol and 2-chlorocyclohexanone.
2%. What are the #rod"cts of the following reaction?
a. cyclohexanone and ethanol
b. cyclohexanone and ethanal
*c. 192-cyclohexanediol and ethanal
d. 192-cyclohexanediol and ethanol
2&. he acid-catalyed reaction of #ro#anal with 2 e/"i4alents of
!ethanol for!s an acetal. his can !echanistically be tho"ght of as
*a. an addition reaction followed by a s"bstit"tion reaction.
b. a s"bstit"tion reaction followed by an addition reaction.
c. an eli!ination reaction followed by a s"bstit"tion reaction.
d. an addition reaction followed by an eli!ination reaction.
2'. Which one of the following gi4es ethanal9 C73C7>89 0as one of two
#rod"cts when added to an a/"eo"s sol"tion of 7Cl?
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a. A
b. B
*c. C
d. D
2+. Which synthetic !ethod below correctly does the following
con4ersion?
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a. A
b. B
*c. C
d. D
2,. What is the #rod"ct of the reaction below?
*a. 2-!ethyl-1-#entene
b. 2-!ethyl-2-#ro#yloxirane
c. $-!ethyl-1-#entene
d. 1-#entene
3. Do!iodol9 shown below9 is "sed !edicinally as a !"colytic agent.
What are the acid-catalyed hydrolysis #rod"cts of Do!iodol?
*a. A
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b. B
c. C
d. D
31. Which of the following reacts with 0C73C722
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a. A
b. B
c. C
*d. D
33. Baeyer-=illiger oxidation reactions can "se #eroxycarboxylic acids
to con4ert 5etones to
a. carboxylic acids.
*b. esters.
c. e#oxides.
d. -hydroxy 5etones.
3$. (dentify the !issing reagent for the reaction below.
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*a. A
b. B
c. C
d. D
3%. What is the #rod"ct of the following Baeyer-=illiger oxidation
reaction?
a. A
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*b. B
c. C
d. D
3&. Which of the following is the #rod"ct of the reaction between
acetone9 C73C8C739 and !ethyla!ine9 C73
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3,. Which of the following !ethods can be "sed to synthesie 2-!ethyl-
1-hexene9 shown below9 with no for!ation of iso!eric by-#rod"cts?
a. A
b. B
c. C
*d. D
$. Which of the following is the best !ethod to synthesie 2-!ethyl-2-
#entene9 shown below9 with little or no by-#rod"ct for!ation?
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a. A
b. B
*c. C
d. D
$1. What is the #rod"ct of the reaction se/"ence below?
a. 2-!ethyl-1-hexene
b. 293-di!ethyl-2-#entene
c. 2-!ethyl-2-hexene
*d. 3-!ethyl-1-hexene
$2. What is the #rod"ct of the reaction shown below?
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a. A
b. B
c. C
*d. D
$3. What #rod"ct wo"ld be ex#ected in this reaction?
a. A
b. B
c. C
*d. D
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$$. (n what !a@or for! wo"ld this diol-aldehyde exist?
a. A
b. B
*c. Cd. D
$%. (n a/"eo"s acid9 only 1' of the aldehyde at right is #resent as
shown9 along with 2 of the enol. What s#ecies acco"nts for +1 of the
!aterial?
a. the enol
b. the enolate
c. the aldehyde
*d. the hydrate
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$&. rior to 1,%9 !any h"ndreds of 5etones were reacted with 29$-
dinitro#henylhydraine and hydroxyla!ine beca"se
a. it hel#ed get the 5etones #"re
b. it !ade
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$,. At abo"t what ( fre/"ency is the C>8 gro"# ty#ically fo"nd?
a. 1&$ c!-1
*b. 1'2 c!-1
c. 22$ c!-1
d. 3$ c!-1