ec part ii

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  • 8/14/2019 EC Part II

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    Lewis Dot 3D Angles Shape Hybridized orbitals

    Bondpolarity(more

    polar +arrow in

    thatdirectio

    n)

    OverallPolarit

    y

    Strengthof

    intermolecularforces

    O2gas

    180 linear sp none none

    CO2gas

    180 linear sp O-C: Ois morepolar

    none

    CH4gas

    109 tetrahedral Sp3 C-H: C ismorepolar

    None

    NH3gas

    From109 to107.3

    Trigonalpyramidal

    Sp3 N-H: Nis morepolar

    Polarity

    towards thelonepair

    C2H5OHliquid

    Forcarbons it is109,for

    oxygen it is

    95

    Around thecarbons it istetrahedralexcept for

    the lastcarbon

    where it istrigonalplanar,

    For bothcarbon

    andoxygen it

    is sp2

    C-H: C ismorepolar

    C-O: Ois morepolar

    Polarity

    towards the O

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    around theoxygen it is

    bent

    CH3OCH3

    gas

    Forcarbons it is109,

    foroxygen it is

    95

    Around thecarbons it istetrahedral,around the

    oxygen it isbent

    For bothcarbon

    andoxygen it

    is sp2

    C-H: C ismorepolar

    C-O: O

    is morepolar

    None

    CH3COOH

    gas

    For leftside

    carbonit is109,for

    centercarbon

    it is120,for

    oxygen it is109

    For thecarbon on

    the left is ittetrahedral,the carbon

    in the

    middle istrigonal

    planar, thelower

    oxygen isbent

    For thecarbon onthe left itis sp3, for

    thecarbon in

    themiddle itis sp2, for

    theoxygen it

    is sp2

    C-H: C ismorepolar

    C-O: Ois morepolar

    O-H: Ois morepolar

    Polarity

    towards theleft

    C8H18liquid

    For allcarbon

    s it is109

    For allcarbons, it is

    tetrahedral

    For allcarbons is

    it sp3

    C-H: C ismore

    polar

    none

    DNA ???????? See below

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    DNA is a huge WTF