Q.
Bond energies of few bonds are given below :
$Cl — Cl = 242.8 \,kJ\, mol^{-1}$, $H — Cl = 431.8\, kJ\, mol^{-1,}$
$O — H = 464\, kJ\, mol^{-1}$, $O = O = 442\, kJ\, mol^{-1}$
Using the $B.E.$, calculate $\Delta H$ for the following reaction, $2Cl_2 + 2H_2O \to 4HCl + O_2$
Thermodynamics
Solution: