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Question: Answered & Verified by Expert
Rate constant of two reactions are given below. Indentifying their order of reaction.
(i)k=6.3×10-2Lmol-1s-1
(ii)k=2.8×10-4s-1
ChemistryChemical KineticsNEET
Options:
  • A (i) second order, (ii) first order
  • B (i) first order, (ii) second order
  • C (i) zero order, (ii) first order
  • D (i) second order, (ii) zero order
Solution:
1689 Upvotes Verified Answer
The correct answer is: (i) second order, (ii) first order
For second order, units of rate constant
=molL-1s×1(molL-1)2
=mol-1Ls-1
For first order, units of rate constant =molL-1s×1molL-1=s-1

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