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MHT CET Chemistry question

ChemistryThermodynamicsMHT CET

Calculate the enthalpy of hydrogenation of , given that the enthalpy of formation of ethane and ethylene as kcal and kcal respectively

Answer: (C)

Solution

C2H4 + H2 -> C2H6: = -30.2 - (+12.5) = -42.7 kcal; (b) and (d) result

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Question ID VK-064490