JEE Main & Advanced Chemistry Chemical Kinetics / रासायनिक बलगतिकी Sample Paper Topic Test - Chemical Kinetics

  • question_answer
    Which of the following statements regarding the molecularity of a reaction are correct?

    A) It is the number of molecules of the reactants taking part in a single step chemical reaction

    B) It is calculated from reaction mechanism

    C) It depends on the rate determining step in the reaction

    D) It always whole number.

    Correct Answer: A

    Solution :

    Molecularity can never be fractional. Complex reactions, proceed in more than one step in each step, only a very limited number of reactions are involved. In the complex reactions only the steps have the molecularity. The reaction, as a whole has no molecularity.

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