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The bond dissociation energy of gaseous H2 , Cl2 and HCl are 104, 58 and 103 kcal mol^–1 respectively. The enthalpy of formation for HCl gas will be

+3 votes
in Class 12 by kratos

The bond dissociation energy of gaseous H2 , Cl2 and HCl are 104, 58 and 103 kcal mol–1 respectively. The enthalpy of formation for HCl gas will be

(A) – 44.0 kcal

(B) – 22.0 kcal

(C) 22.0 kcal

(D) 44.0 kcal

1 Answer

+6 votes
by kratos
 
Best answer

Correct option**(B) – 22.0 kcal**

Explanation:

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