Question

The bond dissociation energy of gaseous and are 104 , 58 and 103 kcal / mole respectively . Calculate the enthalpy of formation of HCl gas.

A

-75 Kcal

B

-22 Kcal

C

-45 Kcal

D

none of these

Medium

Solution

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Correct option is
B

-22 Kcal

(Bond energy of reactant)- (Bond energy of Product)

Solve any question of Chemical Thermodynamics with:-

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