The most stable hydride of the following a) NH 3 b) PH 3 c) ASH 3 d) BiH 3

Answers (1)

Stability of the hydrides of group 15 decreases when we move down a group. This is because smaller is the size of central metal atom more stronger will be the overlapping taking place with the hydrogen atom. Therefore, NH3 is the most stable hydride.

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