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TS EAMCET · Chemistry · Chemical Kinetics

Half life periods for a reaction at initial concentrations of 0.1M and 0.01M are 5 and 50 minutes, respectively. The order of reaction is

  1. A 3
  2. B 2
  3. C 1
  4. D 0
Verified Solution

Answer & Solution

Correct Answer

(B) 2

Step-by-step Solution

Detailed explanation

Half-life of a nth order reaction can be related to initial concentration of reactants as follows, t1/2∝a1-n ⇒t1/21t1/22=a1a2n-1 ⇒550=0.10.011-n⇒n-1=1⇒n=2