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An exothermic chemical reaction occurs in two steps as follows :

I. A + B  X (fast) II. X  AB (Slow)

The progress of the reaction can be best represented by

 (d) All of these

1 Answer

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Correct Option (c)

Explanation :

The reaction occurring in two steps has two activation energy peaks. The first step being fast needs less activation energy. The second step being slo, needs more activation energy. Therefore, second peak will be higher than the first.

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