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For the reaction, N(2)3H(2)rarr2NH(3) ra...

For the reaction, `N_(2)3H_(2)rarr2NH_(3)` rate is expressed as :

A

`-3(d[N_(2)])/(dt)=-(d[H_(2)])/(dt)=(3)/(2)(d[NH_(3)])/(dt)`

B

`-(d[N_(2)])/(dt)=-(1)/(3)(d[H_(2)])/(dt)=(1)/(3)(d[NH_(3)])/(dt)`

C

`-(d[N_(2)])/(dt)=-(3d[H_(2)])/(dt)=(2d[NH_(3)])/(dt)`

D

`-(d[N_(2)])/(dt)=-(d[H_(2)])/(dt)=(d[NH_(3)])/(dt)`

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The correct Answer is:
B
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For the reaction N_(2) + 3 H_(2) = 2 NH_(3) ,

N_(2)+3H_(2) to NH_(3)

Assertion (A) : In the reaction, N_(2)+3H_(2) rarr 2NH_(3) , the rate of reaction is different in terms of N_(2), H_(2) and NH_(3) . Reason (R ): The rate of reaction is equal to the rate of disappearance of a reactant or rate of formation of a Product.

For the reaction : N_(2)(g)+3H_(2)(g)rarr2NH_(3)(g) . If rate of appearance of NH_(3) is 6.8xx10^(-3) gm/min, then rate of disappearance of H_(2)(g) at the same condition will be :

For the reaction, N_(2)+3H_(2) rarr 2NH_(3) the rate (d[NH_(3)])/(dt)=2xx10^(-4) M s^(-1) . Therefore the rate -(d[N_(2)])/(dt) is given as:

OP TANDON-CHEMICAL KINETICS-OBJECTIVE QUESTIONS (LEVEL-A)
  1. The rate at which a substance reacts, depends on its:

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  2. The rate at which a substance react depends upon its :

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

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

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

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

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

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

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

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  10. Accroding to collision theory of reaction rates :

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  11. According to collision theory :

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

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

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

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  15. The temeprature cofficient of a reaction is :

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

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  17. Activation energy of the reaction is :

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

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

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

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