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Enthalpy of hydrogenation of cyclohexene...

Enthalpy of hydrogenation of cyclohexene is -119Kj/mol and that of benzene is -208kJ/mol. Based on these information, resonance energy of benzene can be calculated to be

A

-119Kj/mol

B

-238Kj/mol

C

-149Kj/mol

D

-565Kj/mol

Text Solution

Verified by Experts


`DeltaH = -375kJ//mol` (theoretical )
` DeltaH_(RE) = DeltaH_(Theo) - DeltaH_(exp)`
`=-357 - (208) = 149 kJ // mol`
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