1.

If enthalpy of hydrogenation of cyclohexene is [-x kJ mol^-1] and resonance energy of benzene is [-y kJ mol^-1] then the enthalpy of hydrogenation of benzene will be

Answer»

`[(y - 3X) KJ mol^-1]`
`[-(X + y) kJ mol^-1]`
`[(y + 3x) kJ mol^-1]`
`[(x + y) kJ mol^-1]`

ANSWER :4


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