Question

The no. of $\sigma$ & $\pi$ bonds present in $C_2{H}_2$ respectively are:

• A. $1,2$
• B. $2,1$
• C. $5,2$
• D. $3,2$

Answer 1

Answer: (D)

$3,2$

Acetylene $C_2{H}_2$, $H-C\equiv C-H$ has $3$ sigma & $2$ pi bonds.