NCERT Solutions for Class 12 Chemistry Chapter 4 Chemical kinetics

 

NCERT Solutions for Class 12 Chemistry Chapter 4 Chemical kinetics

Chemical kinetics deals with the average and instantaneous rate of reaction,  factors affecting these and the mechanism of the reaction. Chemical kinetics helps students to understand how chemical reactions occur.  This chapter holds 5 marks in the class 12 CBSE board exam of chemistry. In this chapter, there are 30 questions in the exercise and 9 intext questions. To clear students doubts the NCERT Solutions for Class 12 Chemistry Chapter 4 Chemical kinetics are prepared and designed by subject experts. This chapter is important for both CBSE Board exam as well as competitive exams like JEE Mains, VITEEE, BITSAT, etc. so, students must pay special attention to this chapter.

In NCERT Class 12 Chemistry Chapter 4 Chemical kinetics there are total six topics, which basically deals with the average and instantaneous rate of a reaction, factors affecting the rate of reaction, the integrated rate equations for the zero and first order reaction, etc. After completing the Class 12 Chemistry Chapter 4 Chemical kinetics students will be able to distinguish between elementary reactions and complex reactions, define rate constant and describe collision theory and also able to differentiate between the molecularity and order of a reaction.

Rate of reaction- It is defined as the rate of change in concentration of reactant or product. Unit of rate is mole\:L^{-1}S^{-1}.

     Reactants, R  \rightarrow Products, P

           nA+mB  \rightarrow pC+qD

           Rate=-\frac{1}{n}\frac{\Delta \left [ A \right ]}{\Delta t}=-\frac{1}{m}\frac{\Delta \left [ B \right ]}{\Delta t}=+\frac{1}{p}\frac{\Delta \left [ C \right ]}{\Delta t}=+\frac{1}{n}\frac{\Delta \left [ D \right ]}{\Delta t}

 

Topics and Sub-topics of NCERT Class 12 Chemistry Chapter 4 Chemical Kinetics-

4.1Rate of a Chemical Reaction

4.2Factors Influencing Rate of a Reaction

4.3Integrated Rate Equations

4.4Temperature Dependence of the Rate of a Reaction

4.5 Collision Theory of Chemical Reactions

NCERT Solutions for Class 12 Chemistry Chapter 4 Chemical kinetics - Exercise Questions

Q- 4.1 For the reaction R ® P, the concentration of a reactant change from 0.03M to 0.02M in 25 minutes. Calculate the average rate of reaction using units of time both in minutes and seconds.

Q-4.2 In a reaction, 2A ® Products, the concentration of A decreases from 0.5 mol L^-1 to 0.4 mol L^-1 in 10 minutes. Calculate the rate during this interval?

NCERT Solutions class 12 – Chemistry

Chapter 1

The Solid State

Chapter 2

Solutions

Chapter 3

Electrochemistry

Chapter 5

Surface Chemistry

Chapter 6

General Principles and Processes of isolation of elements

Chapter 7

The P-block elements

Chapter 8

The d and f block elements

Chapter 9

Coordination compounds

Chapter 10

Haloalkanes and Haloarenes

Chapter 11

Alcohols, Phenols, and Ethers

Chapter 12

Aldehydes, Ketones and Carboxylic Acids

Chapter 13

Amines

Chapter 14

Biomolecules

Chapter 15

Polymers

Chapter 16

Chemistry in Everyday life

 

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