question_answer

The bond energies of \[H-H\] and \[ClCl\] are 430 kJ \[\text{mo}{{\text{l}}^{-1}}\]and 242 kJ \[\text{mo}{{\text{l}}^{-1}}\] respectively, \[\Delta {{H}_{t}}\] for HCl is 91 kJ mol-1. The bond energy of HCl will be      [MP PET 2003]

A)                 427 kJ   

B)                 766 kJ

C)                 285 kJ   

D)                 245 kJ