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MHT CET Chemistry question

ChemistryThermodynamicsMHT CET

Standard enthalpy of combustion at 25 °C of hydrogen, cyclohexene () and cyclohexane () are , and kJ/mol respectively. The heat of hydrogenation of cyclohexene is

Answer: (A)

Solution

C6H10 + H2 -> C6H12: = [-3800 + (-240)] - (-3920) = -120 kJ (hydrogenation is

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Question ID VK-064482