Energy required to dissociate 4 g of gaseous hydrogen into free gaseous atoms is 208 kcal at 25- C- The bond energy of H - H bond will be-A- 1040 kcalB- 10-4 kcalC- 104 kcalD- 1-04 kcal

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Abundance and Isotopes

Energy requir...

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Energy required to dissociate 4 g of gaseous hydrogen into free gaseous atoms is 208 kcal at 25^oC. The bond energy of H-H bond will be:

1040 kcal

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10.4 kcal

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104 kcal

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1.04 kcal

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