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Q.

Which of the following hydrocarbon has least $C - C$ bond length ?

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a

$C_{2} H_{2}$

b

$C_{2} H_{4}$

c

$C_{2} H_{6}$

d

$C_{6} H_{6}$

answer is D.

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Detailed Solution

Among Alkanes, Alkenes and Alkynes, Alkynes have the least $C - C$ bond length. So $C_{2} H_{2}$ has least bond length.

Hence, the correct option is (D).

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