The enthalpy of combustion at of , cyclohexane(l) and cyclohexene(l) are –241, –3920 and –3800 kJ/mol, respectively. The enthalpy of hydrogenation of cyclohexene(l) is

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The enthalpy of combustion at $25^\circ	ext{C}$ of $	ext{H}_2	ext{(g)}$, cyclohexane(l) and cyclohexene(l) are –241, –3920 and –3800 kJ/mol, respectively. The enthalpy of hydrogenation of cyclohexene(l) is

Prashant Kotian · Accepted Answer

Correct answer: A. Hydrogenation reaction: . Using Hess's law with combustion data: .

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