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Question: Answered & Verified by Expert
The half-life period for catalytic decomposition of AB3 at 50 mm is found to be 4 hrs and at 100 mm it is 2 hrs. The order of the reaction is:
ChemistryChemical KineticsJEE Main
Options:
  • A 3
  • B 1
  • C 2
  • D 0
Solution:
2329 Upvotes Verified Answer
The correct answer is: 2
t12a1-n
t1t2= a1a21-n
42= 50100 1-n
n= 2

Therefore,the order of reaction is 2.

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