Why is the bond angle in PH_3 molecule lesser than that in NH_3 m… - Vidyadip

Question

Why is the bond angle in $\mathrm{PH}_3$ molecule lesser than that in $\mathrm{NH}_3$ molecule?

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Answer

Because of decrease in $\mathrm{sp}^3$ hybridization character from $\mathrm{NH}_3$ to $\mathrm{PH}_3$.

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