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The bond dissociation energy of gaseous ...

The bond dissociation energy of gaseous `H_(2),Cl_(2)` and HCl are 104,58,103 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

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The correct Answer is:
B
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