Energy required to dissociate 4 gms of `H_(2)(g)` into free atoms is 208 K.cals at `25^(@)C`.
Channel: Doubtnut
Date: 16/02/2020

Energy required to dissociate 4 gms of `H_(2)(g)` into free atoms is 208 K.cals at `25^(@)C`. The `H-H` bond energy will be