The enthalpy of hydrogenation of cyclohexene is -119.5 kJ mol -1 . If resonance energy of benzene is -150.4 kJ mol -1 , its enthalpy of hydrogenation would be:-

1. A. -508.9 kJ mol -1
2. B. -208.1 kJ mol -1
3. C. -269.9 kJ mol -1
4. D. -358.5 kJ mol -1

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