badboyJah49721 badboyJah49721 25-02-2024 Chemistry contestada The enthalpies of combustion of cyclohexane, cyclohexene and H2 are respectively −3920,−3800 and −241kJ mol⁻¹. The heat of hydrogenation of cyclohexene is:A. 121kJ mol⁻¹B. 242kJ mol⁻¹C. −121kJ mol⁻¹D. −242kJ mol⁻¹