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The half life period of a first order re...

The half life period of a first order reaction is 10 minutes . The time required for the concentration of the reactant to change from 0.08 M to 0.02is :

A

1500 sec

B

900 sec

C

500 sec

D

600 sec

Text Solution

Verified by Experts

The correct Answer is:
C
`t_(1//2) = 0.693/K, K = 2.303/t log a/(a-x)`
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Knowledge Check

  • The half life period of a first order reaction is 10 minutes . The time required for the concentration of the reactant to change from 0.08 M to 0.02 is :

    A
    10 min
    B
    20 min
    C
    30 min
    D
    40 min

  • The half-life period for a first order reaction is 15 min. The time required for the concentration of the reactant to change from 0.12 M to 0.08 M is

    A
    18 min
    B
    8.77 min
    C
    5.67 min
    D
    11 min

  • Half-life perood for a first order reaction is 10 min. How much time is needed to change the concentration of the reactant from 0.08 M to 0.01 M ?

    A
    20 min
    B
    30 min
    C
    40 min
    D
    50 min

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