How do you know the hybrid orbitals of a compound? For example, what are the hybrid orbitals of CH_2Cl_2CH2Cl2, C_2H_4C2H4, and C_2H_2C2H2?

1 Answer
Dec 29, 2016

The hybrid orbitals in "CH"_2"Cl"_2, "C"_2"H"_4CH2Cl2,C2H4, and "C"_2"H"_2C2H2 are "sp"^3, "sp"^2^sp3,sp2^, and "sp"sp, respectively.

Explanation:

In each case, you must draw the Lewis structure, determine the VSEPR geometry, and then assign the corresponding hybridization.

"CH"_2"Cl"_2CH2Cl2:

The Lewis structure of "CH"_2"Cl"_2CH2Cl2 is

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There are four electron domains around the carbon atom, do the electron geometry is tetrahedral.

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The hybridization that corresponds to a tetrahedral geometry is "sp"^3sp3.

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"C"_2"H"_4C2H4:

The Lewis structure of "C"_2"H"_4C2H4 is

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There are three electron domains around each carbon atom, so the electron geometry is trigonal planar.

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The hybridization that corresponds to a trigonal planar geometry is "sp"^2sp2.

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bb"sp"sp

The Lewis structure of "C"_2"H"_2C2H2 is

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There are two electron domains around each carbon atom, so the electron geometry is linear.

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The hybridization that corresponds to a trigonal planar geometry is "sp"sp.

spsp
(From Learnnext)