For the elementary reaction M → N , the rate of disappearance of M increases by a factor of 8 upon…

For the elementary reaction M→N, the rate of disappearance of M increases by a factor of 8 upon doubling the concentration of M. The order of the reaction with respect to M is
  1. 4
  2. 3
  3. 2
  4. 1

Solution

r1r2=18=Mn2Mn⇒ n=3

Asked in: JEE Advanced 2014 (Paper 2)

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