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If enthalpies of formation of C(2)H(4)(g...

If enthalpies of formation of `C_(2)H_(4)(g),CO_(2)(g)` and `H_(2)O(l)` at `25^(@)C` and 1 atm pressure are 52, -394 and -286 KJ/mol , the enthalpy of combustion of ethane is equal to

A

`+1412 kJ mol^(-1)`

B

`-1412 kJ mol^(-1)`

C

`+141.2 kJ mol^(-1)`

D

`-141.2 kJ mol^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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