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Question

Question: The correct order towards bond length is....

The correct order towards bond length is.

A

C−C<C=C<C≡CC - C < C = C < C \equiv C

B

C≡C<C=C<C−CC \equiv C < C = C < C - C

C

C=C<C≡C<C−CC = C < C \equiv C < C - C

D

C=C<C−C<C≡CC = C < C - C < C \equiv C

Answer

C≡C<C=C<C−CC \equiv C < C = C < C - C

Explanation

Solution

C≡C1.20Ao<C=C1.34Ao<C−C1.54Ao\underset{1.20A^{o}}{C \equiv C} < \underset{1.34A^{o}}{C = C} < \underset{1.54A^{o}}{C - C}