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For a given reaction, C(7)H(8(l))+9I(2...

For a given reaction,
`C_(7)H_(8_(l))+9I_(2) (g) rarr 7CO_(2)(g) +4H_(2)O(l)`
the calculated and observed heats of reaction are respectively `232` and `50.4 kJ mol^(-)`. The resonance energy for it will be

A

`160 kJ mol^(-1)`

B

`+172.2 kJ mol^(-1)`

C

`+182.2 kJ mol^(-1)`

D

`-182.2 kJ mol^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
`R.E =-R.E._(cal)-(-R.E._(obs))`
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