Question

The total number of covalent and $\pi -$ bonds in isoprene molecule is __.

Answer 1

Answer: 16

The structure of isoprene is

It contains $12$ sigma and $2$ pi bonds .
So, total number of covalent bonds are $14$
Hence, the total number of covalent bonds + $\pi -$ bonds in isoprene molecule are $16$.