The hybridisation of central carbon in $C H_{2} = C = C H_{2}$ is:

s p

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s p^{2}

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s p^{3}

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neither of these

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Solution

The correct option is A $s p$
$H_{2} C = C = C H_{2}$ the hybridiation of the central carbon atom is $^{'} s p^{'}$ . Central atom forms two $σ$ and two $π$ bonds. It consists of $s p - s p$ overlap between two carbon atoms forming two $σ$ bonds.Two additional $p i$ bonds also formed between two carbons atoms (two neighbour carbons). Hence, central carbon atom has $s p$ hybridization.

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The hybridisation of central carbon in CH2=C=CH2 is:

The hybridisation of central carbon in $C H_{2} = C = C H_{2}$ is: