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Which statement is true ?...

Which statement is true ?

A

Endothermic reactions have higher activation energies than exotlhermic reactions

B

The specific rate constant for a reaction is independent of the concentration of the reacting species

C

There is a single rate determining step in any reaction mechanism

D

None of the above

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The correct Answer is:
B
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MBD PUBLICATION-CHEMICAL KINETICS-QUESTION BANK
  1. The rate constant Ka of one reaction is found to be double than that o...

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  2. In many reactions, the reaction proceeds in a sequence of steps, so th...

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  3. Which statement is true ?

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  4. The rate law of the reaction, 2A + B to 2AC is represented as Rate = ...

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  5. The rate of the elementary reaction, 2NO+O2rarr2NO2 when the volume of...

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  6. Which statement is correct ?

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  7. Rate of which reactions increases with temperature:

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  8. Which will lead to a change in the rate constant K of a reaction:

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  9. For a given reaction half life period was found to be directly proport...

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  10. The reaction 2NO + Br2rarr 2NOBr, obey.s the following mechanism:

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  11. Activation energy of a reaction is:

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  12. According to law of mass action, the rate of reaction is directly prop...

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  13. According to collision theory:

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  14. Point out the incorrect statement:

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  15. For the hydrolysis of esters in alkaline medium rate expression is : ...

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  16. The rate of reaction, A + B + C rarr P is given by: r=-(d[A])/dt=K[A]...

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  17. On increasing the temperature by 10 K in the case of slow reactions:

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  18. At room temperature, the reaction between NO and O2 to give NO2 is the...

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  19. The reaction, 2ArarrB+C follow zero order kinetics. The differential ...

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  20. Given that K is the rate constant for some order of any reaction at te...

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