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Question: Answered & Verified by Expert
If doubling the concentration of a reactant 'A' increases the rate 4 times and tripling the concentration of 'A' increases the rate 9 times, the rate is proportional to
ChemistryChemical KineticsNEET
Options:
  • A Concentration of ‘A’
  • B Square of concentration of ‘A’
  • C Under root of the concentration of ‘A’
  • D Cube of concentration of ‘A’
Solution:
2637 Upvotes Verified Answer
The correct answer is: Square of concentration of ‘A’
Based on rate law, rate of reaction depends on concentration of reactant with power of concentration term same as order of reactant.
Rate=AnBm
An=22=4,Bm=32=9

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