1.

If a mole of H_(2) molecule is heated to high temperature the following reaction takes place

Answer»

`H_(2)(G)+436kJ =H(g)+H(g)`
`H_(2)(g)+820 kJ=2H_(2)(g)`
`2H_(2)(g)+436 J = 2H_(2)`
`H_(2)+H_(2)=H^(+)+H^(+)`

ANSWER :A


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