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Question: Answered & Verified by Expert

Consider the following reaction that goes from A to B in three steps as shown below:

Choose the correct option

  Number of 
Intermediates
Number of 
Activated 
Complexes
Rate 
determining 
step
1 2 3 I
2 2 3 III
3 2 3 II
4 3 2 II
ChemistryChemical KineticsJEE MainJEE Main 2023 (06 Apr Shift 2)
Options:
  • A 1
  • B 2
  • C 3
  • D 4
Solution:
1785 Upvotes Verified Answer
The correct answer is: 3

The curve contain three activated complex as shown below in the curve.In the curve P and Q are the intermediates. The step with the highest activation energy is the rate determining step. Hence, in the given reaction, two intermediates, three activated complexes are involved and step-II is the rate determining step.

 

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