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The enthalpy of combustion of H(2) , cyc...

The enthalpy of combustion of `H_(2)` , cyclohexene `(C_(6)H_(10))` and cyclohexane `(C_(6)H_(12))` are `-241` , `-3800` and `-3920KJ` per mol respectively. Heat of hydrogenation of cyclohexene is

A

`-121 kJ " "mol^(-1)`

B

`121kJ" "mol^(-1)`

C

`-242kJ" "mol^(-1)`

D

`242kJ" "mol^(-1)`

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The correct Answer is:
A
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