Give reason for the following: PH_3 is a weaker base than NH_3 – InterviewSolution

1.	Give reason for the following: PH_3 is a weaker base than NH_3
Answer» Solution :Both the molecules are pyramidal in shape and contain a LONE pair of electrons on P and N. Phosphorus being bigger in SIZE, ELECTRON density is SMALLER and, therefore, it is a weaker base than AMMONIA.

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