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Energy required to dissociate 4g of gase...

Energy required to dissociate `4g` of gaseous hydrogen into free gaseous atoms is `208Kcal` 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

Text Solution

Verified by Experts

The correct Answer is:
A
4g `H_(2)=2` moles. Bond energy for 1 mole of `H_(2)=208//2=104` kcal.
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