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The standard enthalpy of formation of NH...

The standard enthalpy of formation of `NH_(3)` is -46.0 kJ `mol^(-1)`. If the enthalpy of formation of `H_(2)` from its atoms is -436 kJ `mol^(-1)` and that of `N_(2)` is -712kJ `mol^(-1)`, the average bond enthalpy of N-H bond in `NH_(3)` is :-

A

`-1102 kJ mol^(-1)`

B

` -964 kJ mol^(-1)`

C

`+352 kJ mol^(-1)`

D

`+ 1056 kJ mol^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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