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In the reaction : S+3//2O(2) rarr SO(3)+...

In the reaction : `S+3//2O_(2) rarr SO_(3)+"2x kcal" and SO_(2) +1//2O_(2) rarr SO_(3) +y` kcal, heat of formation of `SO_(2)` is

A

(2x+y)

B

`-(2x-y)`

C

x+y

D

2x/y

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Verified by Experts

The correct Answer is:
B
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