Home
Class 12
CHEMISTRY
The rate constant for a first order reac...

The rate constant for a first order reaction is 100 `S^(-1)`. The time required for completion of `50%` of reaction is-

A

0.0693 milliseconds

B

0.693 milliseconds

C

6.93 milliseconds

D

69.3 milliseconds

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MCQs FROM PREVIOUS BOARD QUESTION PAPERS

    NIKITA PUBLICATION|Exercise "FEBRUARY " 2016|14 Videos

  • MCQs FROM PREVIOUS BOARD QUESTION PAPERS

    NIKITA PUBLICATION|Exercise MCQs From Board Exam - 2017 (Section -I)|8 Videos

  • MCQs FROM PREVIOUS BOARD QUESTION PAPERS

    NIKITA PUBLICATION|Exercise "MARCH" 2015|14 Videos

  • HALOALKANES AND HALOARENES

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|386 Videos

  • Multiconversion Questions

    NIKITA PUBLICATION|Exercise MCQs|58 Videos

Similar Questions

Explore conceptually related problems

If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction is given by :

for a first order reaction we have k=100 sec^(-1) .The time for completion of 50% reaction is

If rate constatnt of a chemical reaction is 10^(-2) s^(-1) then the time required for the completion of 20% of the reaction will e

Derive the equation for the rate constant of a first order reaction and show that the time required for the completion of half of the first order reaction is independent of initial concentration.

If the rate constant for a second order reaction is 2.303 xx 10^(-3) s^(-1) then the time required for the completion of 70% of the reaction is (log3=0.48)

20% first order reaction is completed in "50" minutes.Time required for the completion of 60% of the reaction is

In the case of a first order reaction, the ratio of time required for 99.9% completion to 50% completion is