Question

How many $\pi$ and $\sigma$ bonds are in the given compound?

• A. $3\pi$ and $6\sigma$ bonds
• B. $3\pi$ and $7\sigma$ bonds
• C. $2\pi$ and $7\sigma$ bonds
• D. $4\pi$ and $8\sigma$ bonds

Answer 1

Answer: (B)

$3\pi$ and $7\sigma$ bonds

$3\pi$ and $7\sigma$ bonds are in the given compound.
Note, $C=C$ double bond contains one $\pi$ and one $\sigma$ bond
Carbon carbon triple bond contains two $\pi$ and one $\sigma$ bond