Question

Bond enthalpies of H-H, Cl-Cl and
H-Cl bonds are 434 kJ mol"!, 242 kJ
mol“' and 431 kJ mol", respectively.
Enthalpy of formation of HCl is
a. 245 kJ mol-1
b. -93 kJmol-1
c. -245 kJ mol-1
d. 93 kJ mol-1​

Answer 1

Answer:

I sure that the option b is correct -93 kJmol^-1