ChemistryMedium84×since 2002Q2339The standard enthalpy of formation ΔfHo\Delta _fH^oΔfHo at 298 K for methane, CH₄(g), is –74.8 kJ mol^–1. The additional information required to determine the average energy for C – H bond formation would be :Athe dissociation energy of H₂ and enthalpy of sublimation of carbonBlatent heat of vapourization of methaneCthe first four ionization energies of carbon and electron gain enthalpy of hydrogenDthe dissociation energy of hydrogen molecule, H₂Check answerSkip