1.

For a reversible reaction ALeftrightarrowBwhich one of the following statements is wrong from the given energy profile diagram ?

Answer»

Activation energy of forward REACTION is greater thanbackward reaction
the forward reaction is endothermic
the threshold energy is less than that of activation energy
the energy of activation of forward reaction is equal to the SUM of heat of reaction and the energy of activation of backward reaction

Solution :
where,
`E_(a)` = activation energy of forward reaction
` E_(a)` = activation energy of baclward reaction
the above profile DIAGRAM shows that `E_(a) gt E' _(a)`
the potential energy of the product is greater than that of the reactant , so the reaction is endothemic .
` E_(a)= E'_(a) + DELTAE`
` E_(t)= E_(a) or E_(t) gt E'_(a)`


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