Given that bond energies of H - H and Cl - Cl are 430 kJ `mol^(-1)` and 240 kJ `mol^(-1)` respectively and `Delta_(r)H` for HCl is `-90 kJ mol^(-1)`. Bond enthalpy of HCl is
A. 290 kJ `mol^(-1)`
B. 380 kJ `mol^(-1)`
C. 425 kJ `mol^(-1)`
D. 245 kJ `mol^(-1)`