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Q.

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R:
Assertion A:  Ea (activation energy) of the forward reaction is higher than that of the backward reaction in a reversible endothermic reaction.
Reason R: Energy of reactants is higher than energy of products. 
 In the light of the above statements, choose the most appropriate answer from the options given below:

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a

Both A and R are correct, but R is  NOT the correct explanation of A

b

A is correct but R is not correct

c

A is not correct but R is correct

d

Both A and R are correct, and R is the correct explanation of A
 

answer is D.

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Detailed Solution

Ea  (activation energy) of the forward reaction is higher than that of the backward reaction in a reversible endothermic reaction.  Threshold energy of forward reaction = backward reaction.

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