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Mona Zacharia
Asked: 2022-11-05T09:40:57+05:30 In:

Energy required to dissociate 4 gm of gaseous hydrogen into free gaseous atoms is 208 kcal at `25^(@)C`. The bond energy of H-H bond will be
A. 104 kcal
B. 10.4 kcal
C. 1040 kcal
D. 104 cal

Energy required to dissociate 4 gm of gaseous hydrogen into free gaseous atoms is 208 kcal at `25^(@)C`. The bond energy of H-H bond will be
A. 104 kcal
B. 10.4 kcal
C. 1040 kcal
D. 104 cal
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1 Answer

  1. Correct Answer – A
    4g `H_(2)=2` moles. Bond energy for 1 mole of `H_(2)=208//2=104` kcal.

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