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Which is a stronger base towards a proto...

Which is a stronger base towards a proton `overset (Ө) P H _2` or `overset (Ө) NH_2` ?

Text Solution

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Bond energy `(N-N gt P-H)` (due to bond length, size of `N lt P`). Therefore, `overset (Ө) N H_2` has a strong tendency to accept proton. Hence, `overset (Ө) N H_2` is a stronger base than `overset (Ө) P H_2`.
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