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The values of heat of formation of ${SO}_{2} and {SO}_{3}$ are $- 398.2 kJ and - 198.2 kJ .$ The heat of reaction of the following reaction will be ${SO}_{2} + \frac{1}{2} O_{2} \to {SO}_{3}$

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- 200 kJ

- 356.2 kJ

+ 200 kJ

- 396.2 kJ

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Correct option is A

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The values of heat of formation of SO2 and SO3 are −398.2kJ and −198.2kJ. The heat of reaction of the following reaction will be SO2+12O2→SO3

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The values of heat of formation of ${SO}_{2} and {SO}_{3}$ are $- 398.2 kJ and - 198.2 kJ .$ The heat of reaction of the following reaction will be ${SO}_{2} + \frac{1}{2} O_{2} \to {SO}_{3}$