Question

Why h-n-h bond angle in nh3 is 107 instead of 109.5

Answer 1

Answer:

h-n-h bond angle in nh3 is 107 instead of 109.5

Answer 2

Explanation:

Hybridisation of NH3 is sp3 so it it should have tetrahedral structure and angle 109° but according to valance shell electron pair repulsion theory angle decreases in presence of lone pair due to a strong repulsion present between a lone pair and a bond pair. In ammonia Nitrogen has one lone pair electrons so the angle is 107