Download CBSE NCERT Class 12 Chemistry Solution (Chapter-Wise PDF)

• NCERT Class 12 Chemistry Solution Chapter 1: The Solid State

This chapter will learn about the unit cell, amorphous solids, crystalline, and imperfections in solids.

• NCERT Class 12 Chemistry Solution Chapter 2: Solutions

This chapter will see the solutions, properties, the concentration of the solution, Raoult’s law, abnormal molar masses, the vapor pressure of liquid solutions, and colligative properties.

• NCERT Class 12 Chemistry Solution Chapter 3: Electrochemistry

In chapter3, electrochemistry, you will get to know about the electrolytic cell, Gibbs energy of cell reaction and its equilibrium constant, electrochemical, the standard potential of the cell, the Kohlrausch law, and its application.

• NCERT Class 12 Chemistry Solution Chapter 4: Chemical Kinetics

In this chapter, you will learn the factor affecting the rate of a reaction, Pseudo first order directions, rate of a reaction, the collision theory of chemical reaction, integrated rate equation, and temperature dependence on the rate of reaction.

• NCERT Class 12 Chemistry Solution Chapter 5: Surface Chemistry

You will learn the adsorption concept, factors controlling the adsorption of gases and liquids, emulsions, isotherms, and catalysts and their role in the industry, gel formation, colloids, and preparation.

• NCERT Class 12 Chemistry Solution Chapter 6: General Principles and Processes of Isolation of Elements

This chapter consists of the occurrence of metals, the thermodynamic and electrochemical principle of metallurgy, the concentration of ores, cleaning and extraction of crude metal from ores, refining process, and use of aluminum, copper, iron, and zinc.

• NCERT Class 12 Chemistry Solution Chapter 7: The p-Block Elements

From this chapter, you will understand the group of 15, 16 elements, allotropes of phosphorus, chlorine, sulfur, and other elements, oxides of nitrogen, oxoacids of phosphorus, simple oxides.

• NCERT Class 12 Chemistry Solution Chapter 8: The d & f Block Elements

The topics covered in this chapter will be properties of transition elements, variations in the size of transition elements, magnetic properties, electronic configuration of elements, oxidation states, colored ions and complex compounds, ionization enthalpies, and chemical reactivity od the inner transition metals.

• NCERT Class 12 Chemistry Solution Chapter 9: Coordination Compounds

In chapter 9, coordination compounds it will cover Werner’s theory, nomenclature, bonding on coordination compounds, isomerism, and others.

• NCERT Class 12 Chemistry Solution Chapter 10: Haloalkanes and Haloarenes

This chapter will teach you about the IUPAC nomenclature and preparations of Haloalkanes and haloarenes, reaction mechanism, application of organometallic reactions, environmental effects of polyhalogen compounds.

• NCERT Class 12 Chemistry Solution Chapter 11: Alcohols, Phenols, and Ethers

The topic covered in this chapter will be the IUPAC nomenclature of phenols, alcohols, and ethers, properties and preparation of alcohols, ethers, and phenols.

• NCERT Class 12 Chemistry Solution Chapter 12: Aldehydes, Ketones, and Carboxylic Acids

In chapter 12, ketones, aldehydes, and carboxylic acids, you get to know the IUPAC nomenclature and their preparation methods, chemical reaction and physical properties, factors that affect the acidity of carboxylic acids, and the chemical reactions.

• NCERT Class 12 Chemistry Solution Chapter 13: Amines

This chapter will teach you how to do the preparation, the physical properties, and the chemical reactions of the amines. With this, you will understand how to prepare the diazonium salts and the importance of the diazonium salts in the synthesis of aromatic compounds.

• NCERT Class 12 Chemistry Solution Chapter 14: Biomolecules

This chapter will teach you about what are fructose, starch, glucose. Etc., the classification of the nucleic acids, vitamins, and carbohydrates based on their structures, the difference between DNA and RNA, characteristics of biomolecules, and the role of biomolecules in the bio-system.

• NCERT Class 12 Chemistry Solution Chapter 15: Polymers

With this chapter, you will understand the types of polymerization, polymers, classification of polymers based on their source, mode of polymerization, commercial importance and properties, and application of polymers.

• NCERT Class 12 Chemistry Solution Chapter 16: Chemistry in Everyday Life

In this last chapter of chemistry in everyday life, you will get to know about the drugs and their classification, therapeutic action of drugs, drugs target interaction, chemicals in food, cleaning agents

2. Explain the terms ‘Ferromagnetism’ and ‘Ferrimagnetism’.

3. Define isotonic solutions.

4. State Raoult’s law for the solution containing volatile components. Explain the similarity between Raoult’s law and Henry’s law.

5. State Nernst equation for the standard dry cell. Using this equation demonstrates that the voltage of a dry cell decreases with use.

6. Define corrosion. Explain the electrochemical theory of rusting of iron and write the reactions involved.

7. Explain ‘rate of a reaction’. Differentiate between average rate and instantaneous rate of a reaction.

8. Derive integrated rate equation for rate constant of a first order reaction.

9. Differentiate between lyophobic solution and lyophilic solution.

10. Define adsorption isotherm? Describe Freundlich adsorption isotherm.

11. What is the method used for the refining of copper metal?

12. State the principle behind the froth floatation process. What is the role of collectors in this process?

13. Which is a stronger reducing agent – SbH3 or BiH3? Why?

14. State reasons for the following:

(i) Oxygen is a gas but sulfur is a solid.

(ii) Oxygen acts as a powerful oxidizing agent.

(iii) BiH3 is the strongest reducing agent

amongst all the hydrides of Group 15 elements.

15. Give reasons for the following :

(i) Transition metals and many of their compounds act as good catalysts.

(ii) Transition metals generally form coloured compounds.

16. A mixed oxide of iron and chromium is fused with sodium carbonate in free access of air to form a yellow-colored compound (A). On acidification, the compound (A) forms an orange-colored compound (B), which is a strong oxidizing agent. Identify the compound (A) and (B). Write chemical reactions involved.

17. Write IUPAC name of the complex [Co(NH3)4Cl(NO2)]+.

18. Give one example in each of the following cases and discuss briefly the role of coordination compounds in

(i) extraction metallurgy of metals

(ii) analytical chemistry

19. What happens when CH3 — Br is treated with KCN?

20. Explain what happens when phenol is treated with bromine water.

21. Explain how toluene obtained from phenol.

22. Write reactions for the following conversions:

(i) Phenol to anisole

(ii) Propan-2-ol to 2-methylpropan-2-ol

(iii) Aniline to phenol