Bond dissociation enthalpy of H2 , Cl2 and HCl are 434, 242 and 431 kJ/mol. Enthalpy of formation of HCl is? Share with your friends Share 1 Mahima answered this Answer is given below 15 View Full Answer Hansika. answered this I think it should be -93 kJmol-1 -1 Mahak answered this Answer is = -93kj/mol 8 Kavitha answered this Solution 1