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In this reaction CS(2)(l)+3O(2)(g)toCO...

In this reaction
`CS_(2)(l)+3O_(2)(g)toCO_(2)(g)+2SO_(2)(g)`
`" "DeltaH=-265 kcal`
The enthalpies of formation of `CO_(2)` and `SO_(4)` are both negative are in the ratio `4 : 3`. The entalpy of formation of `CS_(2)` is `+26` kcal`//`mol. Calculate of enthalpy of formation of `SO_(2)` :

A

`-90 kcal//mol`

B

`-52kcal//mol`

C

`-78kcal//mol`

D

`-71.7 kcal//mol`

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The correct Answer is:
D
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