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JEE Main 2022 Chemistry question

ChemistryThermodynamicsJEE Main 2022

At 25°C and 1 atm pressure, the enthalpies of combustion of benzene (l) and acetylene (g) are −3268 kJ and −1300 kJ , respectively. The change in enthalpy of the reaction , is

Answer: (3)

Solution

By Hess's law, H_{comb}(C_{2}H_{2})$ - Δ

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Question ID VK-024865