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

Bond dissociation enthalpy of `H_(2)` , `Cl_(2)` and `HCl` are `434, 242` and `431KJmol^(-1)` respectively. Enthalpy of formation of `HCl` is

A

`245 kJ mol^(-1)`

B

`93 kJ mol^(-1)`

C

`-245 kJ mol^(-1)`

D

`-93 kJ mol^(-1)`

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The correct Answer is:
D
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