Chemical Kinetics · Class 12 · CBSE · Science Chemistry

Consider a hypothetical reaction A + B rightarrow Products. The rate law is given by Rate = k[A]^{1/2}[B]^{3/2}. What is the overall order of the rea…

Practice question from Chemical Kinetics (Class 12 · CBSE · Science Chemistry), with the correct answer and a step-by-step solution.

easy · MCQ · Q-D01F88

Consider a hypothetical reaction A+B→ProductsA + B \rightarrow Products. The rate law is given by Rate =k[A]1/2[B]3/2= k[A]^{1/2}[B]^{3/2}. What is the overall order of the reaction?

  1. A.1
  2. B.2Correct answer
  3. C.1.5
  4. D.0.5

Solution

The overall order of a reaction is the sum of the powers of the concentration terms in the rate law expression. Overall order =12+32=42=2= \frac{1}{2} + \frac{3}{2} = \frac{4}{2} = 2.

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