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The enthalpies of formation of CO(2(g)),...

The enthalpies of formation of `CO_(2(g)), H_(2)O_((l))` and `C_(2)H_(4(g))` are respectively `-393.5, -286` and `+52.3 kJ mol^(-1)` the enthalpy change for the combustion of `C_(2)H_(4(g))` is

A

`-1306 kJ mol^(-1)`

B

`-1411.3 kJ mol^(-1)`

C

`-509.7 kJ mol^(-1)`

D

`-731.5 kJ mol^(-1)`

Text Solution

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The correct Answer is:
B
`C_(2)H_(4)+3O_(2) rarr 2CO_(2) +2H_(2)O`
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