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In the case of a first order reaction, t...

In the case of a first order reaction, the ratio of the time required for 99.9% completion of the reaction to its half life is nearly

A

1

B

10

C

20

D

8

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-CHEMICAL KINETICS-LEVEL-1 (EXERCISE -II ORDER, MOLECULARITY, HALF LIFE:)
  1. The time needed for the completion of 2/3 of a 1st order reaction, whe...

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  2. The rate constant of a first order reaction of 0.0693"min"^(-1). What ...

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  3. The half life of a first order reaction is 100 seconds. What is the ti...

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  4. The half life periods of four reactions labelled by A,B, C & D are 30 ...

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  5. 3/4 th of first order reaction was completed in 32 min 15/16 the part ...

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  6. Initial concentration of the reactant is 1.0 M. The concentration beco...

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  7. Half life periods for a reaction at initial concentration of 0.1 M and...

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  8. For first order reaction t(0.75) is 138.6 sec. Its specific rate const...

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  9. 20% first order reaction is completed in 50 minute. Time required for ...

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  10. In a first order reaction, 20% reaction is completed in 24 minutes.The...

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  11. The concentration of the reactant A in the reaction AtoB at different ...

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  12. A first order reaction is half completed is 45 minutes. How long does ...

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  13. 99% of a first order reaction was completed in 32 in. When wil 99.9% o...

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  14. For a first order reaction with half life of 150 seconds, the time tak...

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  15. A reaction which is of first order w.r.t reactant A has a rate constna...

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  16. For a first order reaction AtoB the reaction rate at reactant concetra...

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  17. 99% of a 1st order reaction completed in 2.303 minutes. What is the ra...

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  18. In the case of a first order reaction, the ratio of the time required ...

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  19. Out og 300 g substance [decomposes as per 1st order], hou much will re...

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  20. For a first order reaction at 27^(@)C the rato of time required for 75...

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