NEET Chemistry Thermodynamics Online Test Set D

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Question 1

Question

In the reaction : S + 3/2 O2‰ Õ SO3+ 2x kcal and SO2+ 1/2 O2‰ ÕSO3+ y kcal, the heat of formation of SO2 is

Answer
(x – y)
(x + y)
(2x + y)
(y – 2x)