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

The time for 90% of a first order reaction to complete 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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NCERT FINGERTIPS-PRACTICE PAPER -3-Practice Paper 3
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  3. The time for 90% of a first order reaction to complete is approximatel...

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  6. Pick up to correct statement .

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  7. How many p =O bonds and P - OH bonds (respectively )are present in o...

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  8. When phenol is treated with Br(2)-water, the product is

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  9. Match the column I with column II and mark the appropriate choice .

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  10. Which of the following reaction will not give primary amine ?

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  11. In the following question, a statement of assertion is followed by a s...

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  12. Which of the following is not a colloid ?

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  13. Which of the following is not a natural polymer ?

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  14. 45 g of ethylene glycol (C(2) H(6)O(2)) is mixed with 600 g of water....

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  15. Which of the following pairs of compounds is expected to exhibit same ...

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  16. A solid has a b.c.c. structure . If the distance of closest approach b...

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  17. Which of the following statement is incorrect ?

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  18. 1% aqueous solution of Ca(NO(3))(2) has freezing point

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  19. XeF(4) reacts violently with water to give

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  20. Pick up the correct statement

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