Energy required to dissociate 4 g of gas...

Energy required to dissociate 4 g of gaseous hydrogen into free gaseous atoms is 208 k cal at `25^@C`. The bond energy of H-H bond will be

104 kcal

10.4 kcal

1040 kcal

1.04 kcal

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The correct Answer is:

104 kcal

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