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Bond energies of N-=N, H-H and N-H bonds...

Bond energies of `N-=N, H-H` and `N-H` bonds are 945,463 & 391 kJ `mol^(-1)` respectively, the enthalpy of the following reactions is :
`N_(2)(g)+3H_(2)(g)rarr2NH_(3)(g)`

A

`-93`kJ

B

102 kJ

C

90 kJ

D

105 kJ

Text Solution

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The correct Answer is:
A
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