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The temeprature cofficient of a reaction...

The temeprature cofficient of a reaction is :

A

ratio of rate conctants at two temperatures differing by `1^(@)C`

B

ratio of rate conctants at two temperatures `35^(@)C and 25^(@)C`

C

ratio of rate conctants at two temperatures `30^(@)C and 25^(@)C `

D

specific reaction rate at `25^(@)C`

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The correct Answer is:
B
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OP TANDON-CHEMICAL KINETICS-OBJECTIVE QUESTIONS (LEVEL-A)
  1. In a reaction, the threshold energy is equal to

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  2. Accroding to the colision theory of reaction rates, the rate of reacti...

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  3. The temeprature cofficient of a reaction is :

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  4. In general, with every 10^(@)C rise in temperature, the rate of reacti...

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  5. Activation energy of the reaction is :

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  6. The temperature coefficient of most of the reactions lies between

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  7. Accroding to Arrhenius equation, rate constant of a chemical reaction ...

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  8. In order to react, a molecule at the time of collision, must posses a ...

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  9. The activation energy of a reaction is zero. The rate constant of the ...

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  10. The activation energy of a reaction can be lowered by :

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  11. The activation energy for a hypothetical reaction A rarr X is 12.49 kc...

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  12. The plote between concentration versus time for a zero order reaction ...

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  13. The rate of reaction increases with rise in temerature because of :

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  14. Which of the following is a first order reaction ?

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  15. Which one of the following is not a first order reaction?

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  16. Rate expression of a chemical change is -(dx)/(dt)=k[A]^(2)[B]^(1)[C]^...

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  17. For a reaction 2A +B rarr C+D, the active mass of B is kept constant b...

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  18. The rate of certain hypothetical reaction A+B+C rarr Products, is gi...

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  19. Which of the following rate laws has an overall order of 0.5 for react...

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  20. If the rate of reaction between A and B is given by rate =k[A][B]^(2) ...

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