S+3//2O_2rarrSO_3 + 2x kcal SO_2+ 1/2O_2rarrSO_3 + y kcal: The heat – InterviewSolution

1.	S+3//2O_2rarrSO_3 + 2x kcal SO_2+ 1/2O_2rarrSO_3 + y kcal: The heat of formation of SO_2 is :
Answer» y-2x (2x+y) (x+y) 2x-y Answer :A

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