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The half life of a first order reaction ...

The half life of a first order reaction is `100` seconds at `280` K. If the temperature coefficient is `3.0` its rate constant at `290` K in `s^(-1)` is

A

`2.08xx10^(-3)`

B

`2.08xx10^(-2)`

C

`6.93xx10^(-3)`

D

`6.93xx10^(-2)`

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The correct Answer is:
B
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AAKASH SERIES-CHEMICAL KINETICS-OBJECTIVE EXERCISE - 2 (Order, molecularity, Half life)
  1. The half life periods of four reactions labelled by A,B, C & D are 30 ...

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  2. 3/4 th of first order reaction was completed in 32 min 15/16 the part ...

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

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  4. The product of half life (t(1//2)) and the square of initial concentra...

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

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  6. 20% first order reaction is completed in 50 minute. Time required for ...

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

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

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

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  10. 99% of a first order reaction was completed in 32 in. When wil 99.9% o...

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

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

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  13. 99% of a 1st order reaction completed in 2.303 minutes. What is the ra...

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

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

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  16. 75% of a first order process is completed in 30 min. The time required...

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  17. For a first order reaction at 27^@C, the ratio of time required for 75...

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  18. The half life period of a first order chemical reaction is 6.93 minute...

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  19. In a first order reaction, the concentration of the reactant, decrease...

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  20. The half life of a first order reaction is 100 seconds at 280 K. If th...

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