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12th Standard English Medium Chemistry Subject Chemical Kinetics Book Back 5 Mark Questions with Solution Part - II Question Bank Software Jun-02 , 2021

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12th Standard English Medium Chemistry Subject Chemical Kinetics Book Back 5 Mark Questions with Solution Part - II

12th Standard English Medium Chemistry Subject Chemical Kinetics Book Back 5 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Chemistry

Time : 01:00:00 Hrs
Total Marks : 25

    Part I

    5 x 5 = 25

  1. How do concentrations of the reactant influence the rate of reaction?

  2. The rate constant for a first order reaction is 1.54 x 10-3 s-1. Calculate its half life time.

  3. The time for half change in a first order decomposition of a substance A is 60 seconds. Calculate the rate constant. How much of A will be left after 180 seconds?

  4. The activation energy of a reaction is 22.5 k Cal mol-1 and the value of rate constant at 40°C is 1.8 x 10-5s-1. Calculate the frequency factor, A.

  5. The rate constant of a reaction at 400 and 200K are 0.04 and 0.02 s-1 respectively. Calculate the value of activation energy.

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