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The time taken for 90% of a first order...

The time taken for 90% of a first order reaction to be completed is approximately

A

1.1 times that of half life

B

2.2 times that of half life

C

3.3 times that of half life

D

4.4 times that of half life

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The correct Answer is:
C
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DINESH PUBLICATION-RATES OF REACTIONS AND CHEMICAL KINETICS-Revision Question
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  2. For the reaction 2N(2)O(5) rarr 4NO(2)+O(2) rate of reaction and rate ...

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  3. The time taken for 90% of a first order reaction to be completed is a...

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  4. The half-life period for the first order reaction is 693 seconds. The ...

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  5. The reaction 2N(2)O(5)hArr 2N(2)O(4)+O(2) is

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  6. Collision theory is application to

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  7. A chemical reaction was carried out at 300 K and 280 K. The rate const...

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  8. Half-life of a reaction is found to be inversely proportional to the c...

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  9. The order of reaction is decided by

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  10. A graph plotted between log k versus 1//T for calculating activation e...

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  11. Units of rate constant of first and zero order reactions in terms of m...

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  12. Which of the following is correct for a first order reaction ?

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  13. 2A rarr B + C. It would be a zero-order reaction when

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  14. If 3A rarr 2B, then the rate of reaction of + (dB)/(d t) is equal to

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  15. When we increase the temperature, the rate of reaction increases becau...

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  16. In Arrhenius plot, intercept is equal to

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  17. The rate of reaction is doubled for 10^(@)C rise in temperature. The i...

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  18. For the reaction: H(2) + Cl(2) underset("Sunlight")rarr2HCl taking...

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  19. The temperature dependence of rate constant (k) of a chemical reaction...

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  20. If the rate of the reaction is equal to the rate constant, the order o...

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