Verified Solution • 2025–26 Session moderate

QJEEM02Chf259: JEE Main 2002 Chemistry - Class 12 JEEM02Chf259 Solution: Units of rate constant of first and zero order reactions in…

Units of rate constant of first and zero order reactions in terms of molarity M unit are respectively

Multiple Choice Options

  • A sec-1, Msec-1
  • B sec-1, M
  • C Msec-1, sec-1
  • D M, sec-1

Step-by-Step Verified Solution

For a zero order reaction.

rate =k[A]∘ i.e. rate =k

hence unit of k=M.sec−1

For a first order reaction.

rate =k[A]

k=M. sec−1/M=sec−1

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