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The bond energies (in kJ mol^(-1)) of P-...

The bond energies (in kJ `mol^(-1)`) of P-H, as-H and N-H are respectively.

A

247, 389 and 318

B

247, 318 and 389

C

318, 389 and 247

D

318, 347 and 389

Text Solution

Verified by Experts

The correct Answer is:
D
Bond energy of hydrides `prop(1)/("Bond length")`, hence the decreasing order of bond energies is:
`N-H gt P-H gt As-H`, ie: `389 gt 318 gt 247`.
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