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For the first order reaction, time requi...

For the first order reaction, time required for 99% completion is :

A

half the time required for completion of 90% of reaction

B

thrice the time required for 90% completion of reaction

C

twice the time required for 90% completion of reaction

D

none of these.

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For a first order reaction :

Show that in first order reaction, time required for completion of 99 % is 10 times of half life period of reaction.

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Show that the time required for completion of 3/4th of a first order reaction ia twice the time required for the completion of 1/2 of the reaction.

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Example for first order reaction.

MODERN PUBLICATION-CHEMICAL KINETICS-EXERCISE
  1. For a reaction X rarr Y, the rate of reaction increases by a factor of...

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  2. For a reaction 2NO (g) + O2 (g) to 2 NO2 (g) Rate= k [NO]^2 [O2], if...

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  3. For the first order reaction, time required for 99% completion is :

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  4. In the reversible reaction 2 NO2 harr N2O4, the rate of disappearance ...

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  5. For the reaction 2N2O5 to 4 NO2 + O2 rate and rate constant are 1.22 x...

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  6. For zero order reaction, the integrated rate equation is :

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  7. For a first order reaction involving decomposition of N2O5 the followi...

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

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  9. Which of the following is correct for a zero order reaction

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  10. The half life period for a zero order reaction is equal to

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  11. For a second order reaction rate at a particular time x. if the initia...

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  12. When ln K is plotted against 1/T, the slope was found to be -10.7 xx 1...

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  13. For a zero order reaction, linear plot was obtained for [A] vs t. The ...

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  14. For a reaction having rate law expression Rate=k[A]^(3//2)[B]^(-1//2)....

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  15. For a chemical reaction A rarr B ,it is observed that the rate of reac...

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  16. The reaction -N2O5 (i n C Cl4) rarr 2NO2+1/2 O2 (g) is first order in ...

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  17. Reaction AtoB follows second order kinetics. Doubling the concentratio...

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  18. A reaction is 50% completes in 2 hours and 75 % completes in 4 hours. ...

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  19. For the reaction 2N2O5 to 4 NO2 + O2 rate and rate constant are 1.22 x...

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  20. The reaction : A rarr B follows first order kinetics. The time taken f...

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