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Calculate the resonance energy of N(2)O ...

Calculate the resonance energy of `N_(2)O` from the following data `Delta H_(f) " of " N_(2)O= 82` kJ `mol^(-1)`. Bond energies of `N -= N, N = N, O = O and N = O` bond are 946, 418 and 607 kJ `mol^(-1)` respectively

A

`-88 kJ mol^(-1)`

B

`-170 kJ mol^(-1)`

C

`-82 kJ mol^(-1)`

D

`-258 kJ mol^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
`Delta H_(f) = Sigma` B.E of reaction - `Sigma B. E` of products
R. E = `Delta H_(f)` of observed - `Delta H` of calculated
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