/ Preparation Chemistry Ncert Solutions Class 12th
Chemistry NCERT Solutions Class 12 Chemistry has 16 chapters that are divided into Physical, Inorganic, and Organic Chemistry. Regular practice of all the important concepts and chemical reactions is necessary to score good marks in the exam. The Chemistry NCERT Solutions Class 12 provide a comprehensive guide to understanding and mastering the subject. Designed to align with the latest NCERT Chemistry Class 12 syllabus, these NCERT Solutions Class 12 Chemistry are tailored to help students excel in their board examinations and prepare effectively for competitive exams like JEE and NEET. You can take the help of our NCERT Notes to cover important concepts, formulas, and reactions. Before using the Chemistry class 12 solutions, you must cover Class 12 Chemistry Notes for detailed conceptual knowledge.
Class 12 Chemistry NCERT Solutions are available here. These Chem NCERT Solutions Class 12 have been prepared by experienced Chemistry teachers, which will help in building a logical and analytical thinking approach among students to attain good grades. To understand the syllabus, students can make use of the NCERT Class 12 Chemistry Solution. Moreover, students gearing up for entrance examinations can also refer to NCERT Solutions Class 11 Chemistry. Read below for more information.
| Important Related Links |
|
|---|---|
- NCERT Chemistry Class 12 Chapters
- Class 12 Chemistry Weightage and brief Topics discussed
NCERT Chemistry Class 12 Chapters
Candidates can check below the list of all chapters included in the NCERT Class 12 Chemistry textbook.
Kindly note that several chapters were deleted from the CBSE 2025 Syllabus, Students can check the chapter names below;
Class 12 Chemistry Weightage and brief Topics discussed
Chapter 1 Solutions
A solution is a mixture of two or more components. This chapter helps students to understand the concentration of solutions, types of solutions, the vapour pressure of liquid solutions, solubility of gases and solids in liquid, ideal and non-ideal solutions and Raoult’s Law. Various problems based on finding the molarity, mole fraction, mass percentage and Henry’s Law constant are also present here. These problems are not only important for the Class 12 exams but also are of higher importance in competitive exams like JEE Mains, JEE Advanced etc.
Solutions: Topics Covered
| Exercises | Topics Covered |
|---|---|
| 1.1 | Types of Solutions |
| 1.2 | Expressing Concentration of Solutions |
| 1.3 | Solubility |
| 1.4 | Vapour Pressure of Liquid Solutions |
| 1.5 | Ideal and Nonideal Solutions |
| 1.6 | Colligative Properties and Determination of Molar Mass |
| 1.7 | Abnormal Molar Masses |
Chapter 2 Electrochemistry
Electrochemistry is defined as the branch of Chemistry that deals with the relationship between electrical and chemical energy produced in a redox reaction and their conversion. The concepts which are covered in this chapter are – electrochemical cells, Galvanic cells, the Nernst equation, conductance of electrolytic solutions, electrolytic cells and electrolysis, batteries, fuel cells and corrosion. Students who are not able to solve the numerical problems can also refer to the NCERT Solutions and answer them effortlessly.
Electrochemistry: Topics Covered
| Exercises | Topics Covered |
|---|---|
| 2.1 | Electrochemical Cells |
| 2.2 | Galvanic Cells |
| 2.3 | Nernst Equation |
| 2.4 | Conductance of Electrolytic Solutions |
| 2.5 | Electrolytic Cells and Electrolysis |
| 2.6 | Batteries |
| 2.7 | Fuel Cells |
| 2.8 | Corrosion |
Chapter 3 Chemical Kinetics
This chapter will provide you with a good understanding of the rate of chemical reaction, the Arrhenius equation, dependence on the rate of reaction and the collision theory of chemical reaction. Chemical Kinetics is a branch of Chemistry which deals with the rate of chemical reaction, the factors affecting it and the mechanism of the reaction. We have 3 types in accordance with the rate of reaction – Instantaneous reactions, Slow reactions and Moderately Slow reactions.
Chemical Kinetics: Topics Covered
| Exercises | Topics Covered |
|---|---|
| 3.1 | Rate of a Chemical Reaction |
| 3.2 | Factors Influencing Rate of a Reaction |
| 3.3 | Integrated Rate Equations |
| 3.4 | Temperature Dependence of the Rate of a Reaction |
| 3.5 | Collision Theory of Chemical Reactions |
Chapter 4 The d- and f-Block Elements
The elements that are lying between the s and p-block elements are called as d-block or transition elements. The inner transition series is called as f-block elements. This chapter introduces concepts such as the general properties of transition elements, variation in ionic and atomic size of transition metals, physical properties, ionization enthalpies, magnetic properties, and oxidation states. Students will get a clear idea about the electronic configuration, general characteristics, and properties of important compounds in this chapter.
The d- and f-Block Elements: Topics Covered
| Exercises | Topics Covered |
|---|---|
| 4.1 | Position in the Periodic Table |
| 4.2 | Electronic Configurations of the d-Block Elements |
| 4.3 | General Properties of the Transition Elements (d-Block) |
| 4.4 | Some Important Compounds of Transition Elements |
| 4.5 | The Lanthanoids |
| 4.6 | The Actinoids |
| 4.7 | Some Applications of d- and f- Block Elements |
Chapter 5 Coordination Compounds
Coordination compounds are a challenging area in modern inorganic chemistry. In this chapter, students will be able to learn about Werner’s Theory of Coordination Compounds, definitions of important terms, nomenclature, isomerism, bonding, stability, importance and applications of coordination compounds. They will also study the bonding in meta carbonyls, which is important for the exams. These concepts are important for CBSE exams and competitive exams, so more importance should be given when it comes to scoring marks.
Coordination Compounds: Topics Covered
| Exercises | Topics Covered |
|---|---|
| 5.1 | Werner’s Theory of Coordination Compounds |
| 5.2 | Definitions of Some Important Terms Pertaining to Coordination Compounds |
| 5.3 | Nomenclature of Coordination Compounds |
| 5.4 | Isomerism in Coordination Compounds |
| 5.5 | Bonding in Coordination Compounds |
| 5.6 | Bonding in Metal Carbonyls |
| 5.7 | Importance and Applications of Coordination Compounds |
Chapter 6 Haloalkanes and Haloarenes
The halogen derivatives of hydrocarbons are called haloalkanes. They are classified based on the number of hydrogen atoms present in them. The aromatic compounds in which the halogens are attached directly to the carbon atom of the aromatic ring are called haloarenes. In this chapter, students will also get an idea about the methods of preparation, chemical and physical properties and the organohalogen compounds. The reactions involved in the preparation of haloarenes and haloalkanes are explained clearly in this chapter to help students perform well in the exams.
Haloalkanes and Haloarenes: Topics Covered
| Exercises | Topics Covered |
|---|---|
| 6.1 | Classification |
| 6.2 | Nomenclature |
| 6.3 | Nature of C-X Bond |
| 6.4 | Methods of Preparation of Haloalkanes |
| 6.5 | Preparation of Haloarenes |
| 6.6 | Physical Properties |
| 6.7 | Chemical Reactions |
| 6.8 | Polyhalogen Compounds |
Chapter 7 Alcohols, Phenols and Ethers
The classification of alcohols and phenols are based on the number of -OH groups present. Compounds which have one -OH group are called monohydride alcohols and phenols. The compounds which have two, three or more -OH groups are called dihydric, trihydric or polyhydric alcohols and phenols. Students will study about the reactions involved in the process of making alcohols from phenols, alcohols types and ethers. It will also help students to learn about the physical properties of alcohols, phenols and ethers.
Alcohols, Phenols and Ethers: Topics Covered
| Exercises | Topics Covered |
|---|---|
| 7.1 | Classification |
| 7.2 | Nomenclature |
| 7.3 | Structures of Functional Groups |
| 7.4 | Alcohols and Phenols |
| 7.5 | Some Commercially Important Alcohols |
| 7.6 | Ethers |
Chapter 8 Aldehydes, Ketones and Carboxylic Acids
In organic chemistry, aldehydes, ketones and carboxylic acids are of utmost importance. Aldehydes and Ketones can be obtained by the hydration of alkynes, ozonolysis of alkenes and by the oxidation of alcohols. Carboxylic acids can be obtained by the oxidation of aldehydes or primary alcohols. This chapter is very important and carries more marks in the board exam. For this purpose, students have to learn all the concepts and revise them on a regular basis for a good score.
Aldehydes, Ketones and Carboxylic Acids: Topics Covered
| Exercises | Topics Covered |
|---|---|
| 8.1 | Nomenclature and Structure of Carbonyl Group |
| 8.2 | Preparation of Aldehydes and Ketones |
| 8.3 | Physical Properties |
| 8.4 | Chemical Reactions |
| 8.5 | Uses of Aldehydes and Ketones |
| 8.6 | Nomenclature and Structure of Carboxyl Group |
| 8.7 | Methods of Preparation of Carboxylic Acids |
| 8.8 | Physical Properties |
| 8.9 | Chemical Reactions |
| 8.10 | Uses of Carboxylic Acids |
Chapter 9 Amines
The derivatives of ammonia are amines, which are obtained by the replacement of hydrogen. From this chapter, students will be able to understand the nomenclature, structure and properties of amines. Amines are an important organic compound that contains nitrogen. Numerous examples on determining the basicity of amines, reaction and synthesis of amines are explained briefly in this chapter.
Amines: Topics Covered
| Exercises | Topics Covered |
|---|---|
| 9.1 | Structure of Amines |
| 9.2 | Classification |
| 9.3 | Nomenclature |
| 9.4 | Preparation of Amines |
| 9.5 | Physical Properties |
| 9.6 | Chemical Reactions |
| 9.7 | Method of Preparation of Diazonium Salts |
| 9.8 | Physical Properties |
| 9.9 | Chemical Reactions |
| 9.10 | Importance of Diazonium Salts in Synthesis of Aromatic Compounds |
Chapter 10 Biomolecules
The organic compounds that are present as essential constituents in different cells of the living organism are called biomolecules. These include proteins, carbohydrates, vitamins, enzymes and nucleic acids. The interaction of biomolecules constitutes the molecular logic of life processes. Simple molecules such as mineral salts and vitamins play an important role in the function of organisms. The structure and functions of the biomolecules are covered in this chapter as per the latest CBSE guidelines.
Biomolecules: Topics Covered
| Exercises | Topics Covered |
|---|---|
| 10.1 | Carbohydrates |
| 10.2 | Proteins |
| 10.3 | Enzymes |
| 10.4 | Vitamins |
| 10.5 | Nucleic Acids |
| 10.6 | Hormones |
NCERT Class 12 Chemistry Weightage - Theory
Below is the unit-wise distribution of marks for the NCERT Class 12 Chemistry exam.
| Unit |
Marks |
|---|---|
| Solutions |
7 |
| Electrochemistry |
9 |
| Chemical Kinetics |
7 |
| d -and f -Block Elements |
7 |
| Coordination Compounds |
7 |
| Haloalkanes and Haloarenes |
6 |
| Alcohols, Phenols and Ethers |
6 |
| Aldehydes, Ketones and Carboxylic Acids |
8 |
| Amines |
6 |
| Biomolecules |
7 |
| Total |
70 |
NCERT Class 12 Chemistry Practicals
The NCERT Class 12 Chemistry Practicals Weightage is provided below.
| Evaluation Scheme for Examination | Marks |
|---|---|
| Volumetric Analysis | 8 |
| Salt Analysis | 8 |
| Content-Based Experiment | 6 |
| Project Work | 4 |
| Class Record and Viva | 4 |
| Total | 30 |
Chapter-wise weightage of Class 12 Chemistry in JEE Mains Exam
The following are the chapter's weightage for the JEE Main exam:
| Chapter Name | Weightage |
|---|---|
| Electrochemistry | 3.3% |
| Chemical Kinetics | 3.3% |
Chapter-wise weightage of Class 12 Chemistry in NEET Exam
| Chapter Name | Weightage |
|---|---|
| Chemical Kinetics | 6% |
| Electrochemistry | 2% |
| d-f-Block Element Compound | 4% |
Chemistry Ncert Solutions Class 12th Exam
Student Forum
Anything you would want to ask experts?