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Bond dissociation energies of H(2),Cl(2)...

Bond dissociation energies of `H_(2),Cl_(2)` and `HCl_((g))` are 104, 58 and 103 kcal `"mol"^(-1)` respectively. Calculate the enthalpy of formation of HCl gas.

A

`-44.0 kcal`

B

`-22.0 kcal`

C

`22.0 kcal`

D

`44.0 kcal`

Text Solution

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The correct Answer is:
B
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