The enthalpy of combustion of H₂, cyclohexene (C₆H₁₀) and cyclohexene (C₆H₁₂) ar $e^{-241}$ , -3800 an $d^{-3920}$ kJ per mol respectively. Heat of hydrogenation of cyclohexene is:
A
-121 kJ per mol
B
+121 kJ per mol
C
+484 kJ per mol
D
-484 kJ per mol

Question

The enthalpy of combustion of H₂, cyclohexene (C₆H₁₀) and cyclohexene (C₆H₁₂) are^{-241}, -3800 and^{-3920} kJ per mol respectively. Heat of hydrogenation of cyclohexene is:

Accepted Answer

-121 kJ per mol

Answer

+121 kJ per mol

Answer

+484 kJ per mol

Answer

-484 kJ per mol

AIPMT PRELIMS 2006 Chemistry Enthalpy Changes MCQ Question

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