question_answer

Which of the following molecules has two sigma (s) and two \[{{p}_{i}}(\pi )\]bonds?   [JEE Main Online Paper ( Held On 12 Apirl  2014 )

A) \[{{C}_{2}}{{H}_{4}}\]                    

B) \[{{N}_{2}}{{F}_{2}}\]

C) \[{{C}_{2}}{{H}_{2}}C{{l}_{2}}\]                 

D) HCN

Correct Answer: D

Solution :

i.e \[2\pi \]and \[2\sigma \]bonds.