Hydrocarbons Question 55

Question: The correct order towards bond length is [RPMT 1997]

Options:

A) $ C-C<C=C<C\equiv C $

B) $ C\equiv C<C=C<C-C $

C) $ C=C<C\equiv C<C-C $

D) $ C=C<C-C<C\equiv C $

Show Answer

Answer:

Correct Answer: B

Solution:

$ \underset{1.20A^{o}}{\mathop{C\equiv C}}<\underset{1.34A^{o}}{\mathop{C=C}}<\underset{1.54A^{o}}{\mathop{C-C}} $