Question

Given that, for the reaction,
$\frac 12H_2+\frac 12Cl_2→HCl$
△Hf (HCI) = -93 kJ/mol, B.E(H2) = 434 kJ/mol, B.E(Cl2) = 242 kJ/mol
The bond dissociation energy of HCl is

• A. 232 kJ/mol
• B. 331 kJ/mol
• C. 431 kJ/mol
• D. 530 kJ/mol

Answer 1

Answer: (C)

431 kJ/mol

Answer 2

The correct option is (C): 431 kJ/mol.