Question

Q1. Why is the bond angle of PH3 molecule lesser than that in NH3 molecule?

Answer 1

Answer:

In ammonia sp3 hybridization occurs .So its bond angle should have been 109°28' . But due to the presence of lone pair it is slightly less. So it was expected that the angle in PH3 will also be approximately same. But , it was found to be around 90°

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Answer 2

Explanation:

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