Question

Number of $\sigma$ and $\pi$ bonds in acetylene are:

• A. 3 and 2
• B. 2 and 2
• C. 2 and 3
• D. 4 and 3

Answer 1

Answer: (A)

$H\stackrel{\sigma }{-}C\underset{\sigma \text{and}2\pi }{\equiv }C\stackrel{\sigma }{-}H$
Hence, In acetylene, there are $3\sigma$ and $2\pi$ bond,