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For the reaction 2NO(2)rarr2NO+O(2), rat...

For the reaction `2NO_(2)rarr2NO+O_(2)`, rate expressed as :

A

`-(1)/(2)(d[NO_(2)])/(dt)=(1)/(2)(d[NO])/(dt)=(d[O_(2)])/(dt)`

B

`-(1)/(2)(d[NO_(2)])/(dt)=-(1)/(2)(d[NO])/(dt)=(d[O_(2)])/(dt)`

C

`-(2d[NO_(2)])/(dt)=(2d[NO])/(dt)=(d[O_(2)])/(dt)`

D

`-(d[NO_(2)])/(dt)=(d[NO])/(dt)=(d[O_(2)])/(dt)`

Text Solution

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The correct Answer is:
B
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OP TANDON-CHEMICAL KINETICS-OBJECTIVE QUESTIONS (LEVEL-A)
  1. The rate at which a substance react depends upon its :

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  2. For the reaction, N(2)3H(2)rarr2NH(3) rate is expressed as :

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  3. For the reaction 2NO(2)rarr2NO+O(2), rate expressed as :

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  4. The rate of reaction that does not involve gases, is not depend on :

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  5. For the reaction,A+Brarr2C+D, which one is the incorrect statement?

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  6. In a reaction 2A(2)+B(2)rarr2A(2)B, the reactant A will desapper at :

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  7. In the reaction 3Ararr2B, rate of reaction +(d[B])/(dt) is equal to :

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  8. For the reaction, 2NOrarrN(2)+O(2), the expression -(1)/(2)(d[NO])/(dt...

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  9. Accroding to collision theory of reaction rates :

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  10. According to collision theory :

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  11. The Activation energy for a chemical reaction mainly depends upon

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  12. In a reaction, the threshold energy is equal to

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

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  14. The temeprature cofficient of a reaction is :

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

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  16. Activation energy of the reaction is :

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

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

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

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

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