Two substances A and B are present such ...

Two substances A and B are present such that `[A_(0)]=4[B_(0]` and half-life of A is 5 minutes and that of B is 15 minutes. If they start decaying at the same time following first order kinetics after how much time the concentration of both of them would be same ?

15 minute

10 minute

5 minute

12 minute

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

CHEMICAL KINETICS
AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION C : Previous Year Questions)|62 Videos
CHEMICAL KINETICS
AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION D : Assertion - Reason Type Questions)|15 Videos
CHEMICAL KINETICS
AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION A : Objective Type Questions)|50 Videos
CHEMICAL BONDING AND MOLECULAR STRUCTURE
AAKASH INSTITUTE ENGLISH|Exercise Assignment Section J (Aakash Challengers Questions)|10 Videos
CHEMISTRY IN EVERYDAY LIFE
AAKASH INSTITUTE ENGLISH|Exercise Assignment ( SECTION - A)|45 Videos

Similar Questions

Explore conceptually related problems

A substance with initial concentration 'a' follows zero order kinetics. In how much time, will the reactions go to completion ?

A substance decomposes following first order kinetics. If the half-life of the reaction is 35 minutes, what is the rate constant of reaction ?

The half-life period of a first-order reaction is 15 minutes. The amount of substance left after one hour will be:

The half life period of a first order reaction, A to Product is 10 minutes. In how much time is the concentration of A reduced to 10% of its original concentration?

For a first order reactions, the half -life is 10 mins. How much time in minutes will it take to reduce the concentration of reactant to 25% of its original concentration ?

Two pendulum of time periods 3 s and 7 s respectively start oscillating simultaneously from two opposite extreme positions. After how much time they will be in same phase?

In flask two components A & B are mixed in which both concentrations are equal . Half life of A is 300s & B is 180s. It is first order kinetics & find at what time concentration A becomes 4 times of concentration of B.

The half-life period of a first order reaction is 20 minutes. The time required for the concentration of the reactant to change from 0.16 M to 0.02 M is :

AAKASH INSTITUTE ENGLISH-CHEMICAL KINETICS-ASSIGNMENT (SECTION B : Objective Type Questions)

Consider the data given below for hypothetical reaction A rarr X {:...
Text Solution
|
The graph between log k versus 1//T is a straight line.
Text Solution
|
The temperature coefficient of most of the reactions lies between
Text Solution
|
If the volume of the vessel in which the reaction 2NO+O2 rarr2NO2 is...
Text Solution
|
For the raction A+Brarr products, it is found that order of A is 2 and...
Text Solution
|
Nitric oxide (NO) reacts with oxygen to produce nitrogen dioxide 2NO...
Text Solution
|
For the first order reaction, the taken to reduce the initial concentr...
Text Solution
|
The rate of the reaction 2N(2)O(5) to 4NO(2) + O(2) can be written...
Text Solution
|
For the reaction , N2O4(g)underset(K2)overset(K1)hArr2NO2(g), the rat...
Text Solution
|
For a homogeneous gaseous reaction A rarr B + C + D , the initial pres...
Text Solution
|
form the gaseous reaction 2A + B(2) rarr 2AB, the following rate dat...
Text Solution
|
The inversion of a sugar follows first order rate equation which can b...
Text Solution
|
Which of the following is correct
Text Solution
|
The rate constant for a reaction is 1.5 xx 10^(-7) at 50^(@)C and 4.5...
Text Solution
|
In Arrhenius equation , k=Ae^(Ea/(RT)) , A may be termed as rate const...
Text Solution
|
The rate constant of the production of 2B (g) by the reaction , A(g)ov...
Text Solution
|
Two substances A and B are present such that [A(0)]=4[B(0] and half-l...
Text Solution
|
If the rate of reaction increases by 27 times , when temperature is in...
Text Solution
|
the reaction A to B follows first order Kinetics the time taken...
Text Solution
|
If find B%
Text Solution
|