Home
Class 12
CHEMISTRY
The rate constant for a first orde...

The rate constant for a first order reaction is `7.0xx10^(-4) s^(-1) `. If initial concentration of reactant is 0.080 M, what is the half life of reaction ?

A

990 s

B

79.2 s

C

12375 S

D

`10.10xx10^(-4)`s

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

The rate constant of a first order reaction is 6.8xx10^(-4)s^(-1) . If the initial concentration of the reactant is 0.04 M, what is its molarity after 20 minutes? How long will it take for 25% of the reactant to react?

The value of rate constant of a pseudo first order reaction.

The rate constant of a first order reaction is 3 xx 10^(-6) per second. If the initial concentration is 0.10 M , the initial rate of reaction is

What are the units of rate constant of first order reaction?

In a first-order reaction A rarr B , if K is the rate constant and initial concentration of the reactant is 0.5 M , then half-life is

The rate constant of a first order reaction at 25^@C is 0.24 s^(-1) . If the energy of activation of the reaction is 88 kJ mol^(-1) , at what temperature would this reaction have rate constant of 4 xx 10^(-2) s^(-1) ?

The half life of first order reaction is 990 s. If the initial concentration of the reactant is 0.08 mol dm^3 , what concentration would remain after 35 minutes?

The value of rate constant for a first order reaction is 2.303 xx10^(-2) sec^(-1) . What will be time required to reduce the concentration to (1)/(10) th of its initial concentration ?