1.

Consider an endothermic reactionX to Y with the activation energies E_(b) and E_(f) for the backward and forward reactions respectively , in general

Answer»

`E_(b) lt E_(f)`
`E_(b) GT E_(f)`
`E_(b) = E_(f)`
There is no definite relation between `E_(b) and E_(f)`

Solution :For endothermic reaction `DELTAH` = +ve
Then from EQUATION `DELTA H = E_(a.F.R) - E_(a B.R) , E_(B.R) lt E_(F.R)` .


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