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75% of a first-order reaction was comple...

`75%` of a first-order reaction was completed in `32` minutes, when was `50%` of the reaction completed ?

A

4 min

B

8 min

C

24 min

D

16 min

Text Solution

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The correct Answer is:
D
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OP TANDON-CHEMICAL KINETICS-OBJECTIVE QUESTIONS (LEVEL-A)
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  2. The rate of the first order Ararr Products, is 7.5xx0^(-4) "mol" L^(-1...

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  3. 75% of a first-order reaction was completed in 32 minutes, when was 50...

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  4. The specific rate constant of a first order reaction depends on the

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  5. For a given reaction of first order, it takes 20 minutes for the conce...

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  6. The following data were obtained for the thermal decomposition of nit...

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  7. The following data are for the decomposition of ammonium nitrite in aq...

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  8. The time required for a first order to complee 90% is t . What is the ...

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  9. The half life period of a first order reaction is 10 minutes . The tim...

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  10. The rate constant for the hydrolysis reaction of an ester by dilute ac...

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  11. The rate of a gaseous reaction is given by the expression k[A][B]. If ...

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  12. The rate of a chemical reaction doubles for every 10^(@)C rise of temp...

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  13. If the rate expression for a reaction is (dx)/(dt)=k[A]^(1//2)[B]^(2//...

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  14. The second order rate constant is usually expressed as

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  15. The hydrolysis of ethyl acetate is a reaction of : CH(3)COOC(2)H(5)+...

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  16. In a second ordr reaction, the time needed for the initial concentrati...

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  17. Which of the following statement regarding the molecularity of a react...

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  18. The reaction rate of the reaction H(2)(g)+Br(2)(g)rarr2HBr(g) is given...

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  19. Molecularity of the reaction :

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  20. For a single step reaction X+2Y rarr Products, the molecularity is

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