For first order reaction t(0.75) is 138....

For first order reaction `t_(0.75)` is 138.6 sec. Its specific rate constant is (in`s^(-1)`)

A

`10^(-2)`

B

`10^(-4)`

C

`10^(-5)`

D

`10^(-6)`

Text Solution

Verified by Experts

The correct Answer is:

A

Promotional Banner

Promotional Banner

Topper's Solved these Questions

CHEMICAL KINETICS
AAKASH SERIES|Exercise LEVEL-II(LECTURE SHEET EXERCISE-I SINGLE & ONE OR MORE THAN ONE CORRECT ANSWER)|50 Videos
CHEMICAL KINETICS
AAKASH SERIES|Exercise LEVEL-II(LECTURE SHEET EXERCISE-II LINKED COMPREHENSION TYPE QUESTIONS)|9 Videos
CHEMICAL KINETICS
AAKASH SERIES|Exercise LEVEL-1 (EXERCISE -II REACTION RATE, FACTORS INFLUENCING RATE, SPECIFIC RATE:)|15 Videos
CHEMICAL KINETCS
AAKASH SERIES|Exercise EXERCISE - 3.2|45 Videos
CHEMICAL THERMODYNAMICS
AAKASH SERIES|Exercise Additional Practice Exercise|54 Videos

Similar Questions

Explore conceptually related problems

Half-life period of a first - order reaction is 1386 seconds. The specific rate constant of the reaction is

The half-life of a first order reaction is 10s. What is its rate constant (in s^(-1) ) ?

A to B and C to D are first order reactions. Ratio of t_(99.9%) values is 4:1, then, ratio of rate constants K_1 to K_2 is

The unit of rate of first order reaction is

The half life of a 1^(st) order reaction is 1 min 40 seconds. Calculate its rate constant (k)

The rate of first order reaction increases:

The half life of a first order reaction is 100 seconds at 280 K. If the temperature coefficient is 3.0 its rate constant at 290 K in s^(-1) is

Fraction of reactant consumed in a first order reaction after time t in terms of rate constant k is ________

The temperature coefficient of a reaction is 2.5 . If its rate constant at T_(1)K is 2.5xx10^(-3)s^(-1) , the rate constant at T_(2)K in s^(-1) is (T_(2)=10+T_(1))

AAKASH SERIES-CHEMICAL KINETICS-LEVEL-1 (EXERCISE -II ORDER, MOLECULARITY, HALF LIFE:)

The time needed for the completion of 2/3 of a 1st order reaction, whe...
Text Solution
|
The rate constant of a first order reaction of 0.0693"min"^(-1). What ...
Text Solution
|
The half life of a first order reaction is 100 seconds. What is the ti...
Text Solution
|
The half life periods of four reactions labelled by A,B, C & D are 30 ...
Text Solution
|
3/4 th of first order reaction was completed in 32 min 15/16 the part ...
Text Solution
|
Initial concentration of the reactant is 1.0 M. The concentration beco...
Text Solution
|
Half life periods for a reaction at initial concentration of 0.1 M and...
Text Solution
|
For first order reaction t(0.75) is 138.6 sec. Its specific rate const...
Text Solution
|
20% first order reaction is completed in 50 minute. Time required for ...
Text Solution
|
In a first order reaction, 20% reaction is completed in 24 minutes.The...
Text Solution
|
The concentration of the reactant A in the reaction AtoB at different ...
Text Solution
|
A first order reaction is half completed is 45 minutes. How long does ...
Text Solution
|
99% of a first order reaction was completed in 32 in. When wil 99.9% o...
Text Solution
|
For a first order reaction with half life of 150 seconds, the time tak...
Text Solution
|
A reaction which is of first order w.r.t reactant A has a rate constna...
Text Solution
|
For a first order reaction AtoB the reaction rate at reactant concetra...
Text Solution
|
99% of a 1st order reaction completed in 2.303 minutes. What is the ra...
Text Solution
|
In the case of a first order reaction, the ratio of the time required ...
Text Solution
|
Out og 300 g substance [decomposes as per 1st order], hou much will re...
Text Solution
|
For a first order reaction at 27^(@)C the rato of time required for 75...
Text Solution
|