12th Class Chemistry Chemical Kinetics / रासायनिक बलगतिकी Question Bank 12th CBSE Chemistry Chemical Kinetics

  • question_answer
      Mention differences between order and molecularity of a reaction.     

    Answer:

       
    Order of reaction Molecularity of reaction
    (i)  Sum of powers of concentration of reactants present in rate equation. (i) Number of reactant molecules which collide simultaneously to give product is called molecularity.
    (ii) It is an experimental property. (ii) It is a theoretical property.
    (iii) It may be zero or fractional. (iii) It can not be zero or fractional.
    (iv) Order is applicable to both elementary and complex reaction. (iv) Molecularity is not applicable to complex reaction.
     


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