The standard enthalpy of combustion at 25°C of hydrogen, cyclohexene (C6H10) and cyclohexane (C6H12) are –241, –3800 and –3920 kJ mol–1 respectively. Calculate the standard enthalpy of hydrogenation of cyclohexene.
The standard enthalpy of combustion at 25°C of hydrogen, cyclohexene (C6H10) and cyclohexane (C6H12) are –241, –3800 and –3920 kJ mol–1 respectively. Calculate the standard enthalpy of hydrogenation of cyclohexene.
Option 1 -
–121 kJ mol–1
Option 2 -
121 kJ mol–1
Option 3 -
131 kJ mol–1
Option 4 -
–131 kJ mol–1
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1 Answer
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Correct Option - 1
Detailed Solution: 
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