In a first order reaction, A to B, if k ...

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

A

`log 2 / k`

B

`log 2/ k sqrt(0.5)`

C

`ln2/k`

D

`0.693 / 0.5 k`

Text Solution

Verified by Experts

Topper's Solved these Questions

AROMATIC CARBOXYLIC ACID
SHARAM PUBLICATION|Exercise EXERCISE|36 Videos
CO -ORDINATION COMPOUNDS
SHARAM PUBLICATION|Exercise EXERCISE|112 Videos

Similar Questions

Explore conceptually related problems

Does half life period of a first order reaction depend upon the initial concentration of the reactants ?

Derive an expression for a half life period for the first order reaction and show that it is independent of the initial concentration of the reactant.

The rate for a first order reaction is 0.6932 xx 10^(-2)mol L^(-1) min^-1 and the initial concentration of the reactant is 1 M, t_(1//2) is equal to:

The specific reaction rate constant for a first, order reaction is 60xx10^-4sec^-1 If the initial concentration of the reaction is 0.01 mole per litre, the rate is:

Write the rate law for a first order reaction. Justify the statement that half-life of a 1st order reaction is independent of the initial concentration of the reactant.

SHARAM PUBLICATION-CHEMICAL KINETICS-EXERCISE

The rate of first order reaction is 1.5 xx 10^(-2)" mol L"^(-1)" min"^...
Text Solution
|
The rate constant for the reaction 2N2O5rarr2N2O4 +O2 is 3xx10^-5 sec^...
Text Solution
|
In a first order reaction, A to B, if k is rate constant and the initi...
Text Solution
|
If 60% of a first order reaction was completed in 60 minutes. 50% of t...
Text Solution
|
For the reaction of the type A + B rarr product , -d[A] / dt is equal ...
Text Solution
|
The half life of a reaction is halved as the initial concentration is ...
Text Solution
|
The half life period of a first order reaction is 30 minutes. The time...
Text Solution
|
Which is correct for zero order reaction ?
Text Solution
|
Temperature dependent equation can be written as
Text Solution
|
In the reaction 2N2 O5 rarr 4NO2 + O2 , the initial pressure is 500 ...
Text Solution
|
A reaction P rarr Q completed 25% in 25 minutes , 50% is completed in...
Text Solution
|
A reaction involving two different reactants can never be
Text Solution
|
The rate of a reaction can be expressed by Arrherius equation as : k =...
Text Solution
|
t1/4 can be taken as time taken for the concentration of the reactant ...
Text Solution
|
The rate equation for the reaction 2A + B rarr C is found to be : rate...
Text Solution
|
In a first order reaction, the reactant concentration decreases from 0...
Text Solution
|
The rate law for a reaction between the substances A and B is given by...
Text Solution
|
In respect to the equation k = A xx e^ -Ea/ RT in chemical kinetics wh...
Text Solution
|
The differential rate law for the reaction H2 + I2 rarr 2HI is
Text Solution
|
For the reaction A + 2B rarr C, the rate is given by R = [A] [B]^2. Th...
Text Solution
|