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Rate constant of a reaction depends upon...

Rate constant of a reaction depends upon:

A

temparature

B

time

C

initial concentration

D

None of these.

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The correct Answer is:
A
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According to collision theory of chemical reactions, rate of a reaction depends upon collision frequency and fraction of effective collisions. The rate of a reaction generally increases with rise in temperature mainly because of increase in number of effective collisions. Arrhenius proposed a quantitative relation between rate constant and temperature as k= Ae^(-E_a//Rt) where E_a is activation energy. It is equal to the difference between threshold energy and average kinetic energy of reacting molecules. Which of the following plot will be linear ?

The unit of rate constant of elementary reaction depends upon the

Rate of first order reaction depends upon

The rate constant of a reaction has same units as the rate of reaction. The reaction is of …..

The rate constant of a reaction has s^-1 units. The reaction is of …..

Which factor Rate of reaction depends upon ?

JMD PUBLICATION-CHEMICAL KINEMATICS-EXAMPLE
  1. The units of rate constant for first order equation.

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  2. Which of the following graphs corresponds to first order reaction:

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  3. Rate constant of a reaction depends upon:

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  4. Arrhenius equation is

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  5. The chemical reactions in which the reactants require high amount of a...

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  6. Which of the following does not influence the reaction rate?

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  7. A reaction was found to be of second order with respect to concentrati...

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  8. The value of k for a reaction is 2.96xx10^(30)s^-1 , what is the order...

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  9. The units of rate constant for first order equation.

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  10. The rate constant of a reaction has same units as the rate of reaction...

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  11. The rate constant of a reaction has s^-1 units. The reaction is of …..

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  12. The rate constant of reaction is 3xx10^-3 atm^-2sec^-1 . The order of...

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  13. The order of a single step reaction can be

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  14. The molecularity of a reaction can never be a fraction.

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  15. Unit of rate constant for a second order reaction are L mol^-1 s^-1.

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  16. The molecularity of a reaction can never be a fraction.

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  17. Order of a reaction can be zero.

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  18. Molecularity of a reaction cannot be zero.

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  19. The half life period of a zero order reaction is independent of initia...

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  20. In a multistep reaction, the fastest step is the rate determining step...

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