Question

How many sigma and pi bonds are in an ethyne molecule?

Answer 1

Answer
$3\times \sigma$ and $2\times \pi$
Explanation:
In the acetylene molecule, $H-C\equiv C-H$we can directly count$3\sigma$ bonds $2\times C-H$ and $1\times C-C$The remaining$2\pi$ bonds lie above and below and beside the C−C vector.