Question

How many $\sigma$ bonds are present in the Lewis structure of $H_{2}N-OH$ ?

Answer 1

The Lewis structure of $H_{2}N-OH$ is given by-

$H-\stackrel{..}{\underset{H}{\underset{|}{N}}}-\stackrel{..}{\underset{..}{O}}-H$

There are $4\sigma$ bonds in the molecule.