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# In the following which is correct in stability order

$\begin{array}{1 1}(a)\;NH_3>PH_3&(b)\;NH_3=PH_3\\(c)\;PH_3>NH_3&(d)\;NH_3\neq PH_3\end{array}$

Can you answer this question?

Due to M-H bond energy $NH_3$ is thermally more stable.
Hence (a) is the correct answer.
answered Nov 26, 2013