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For a reaction A+B P , the following data are provided The rate constant for this reaction in standard unit is

Options

  1. A5
  2. B1.2
  3. C2.4 10⁻⁴
  4. D50

Correct answer

D. 50

Step-by-step solution

(d) A+B P According to rate law expression Rate =k[A]^ [B]^ (K is constant ) (i) Taking ratio of (1) and (2) entry, aligned 4 10⁻² 2 10⁻² & = [0.04]^ [0.02]^ [0.02]^ [0.02]^ 2 & =[2]^ [2]^1 & =[2]^ & =1 aligned Taking ratio of (2) and (3) entry, aligned 8 10⁻² 4 10⁻² & = [0.04]^ [0.04]^ [0.02]^ [0.04]^ [2] & =[2]^ =1 aligned Put value of and in (1) entry aligned 2 10⁻² & =k[A]^1[B]^1 k & = 2 10⁻² 0.02 0.02 & = 2 10⁻² 10^4 4 = 100 2 =50 aligned

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