Chemistry Questions and Answers – Class 12

Chemistry Class 12 Questions and Answers

Our 1000+ “Chemistry – Class 12” (along with 1000+ “Chemistry – Class 11”) questions and answers focuses on all areas of Chemistry subject covering 200+ topics in Chemistry. One can read Class 11 Here. These topics are chosen from a collection of most authoritative and best reference books on Chemistry. One should spend 1 hour daily for 2-3 months to learn and assimilate Chemistry comprehensively. This way of systematic learning will prepare anyone easily towards Chemistry interviews, online tests, examinations and certifications.


– 1000+ Multiple Choice Questions & Answers in Chemistry with explanations
– Every MCQ set focuses on a specific topic in Chemistry Subject


Who should Practice these Chemistry Questions?
– Anyone wishing to sharpen their knowledge of Class 12 – Chemistry Subject
– Anyone preparing for school test and many other online/Offline Tests/Contests in Chemistry
– Anyone preparing for NEET, IIT JEE, AIIMS & SAT Exams in Chemistry
– Anyone preparing for various Central board examinations in Chemistry namely CBSE, ICSE, IGCSE, and NIOS Board
– Anyone preparing for various State board examinations in Chemistry such as PUC, Intermediate exams, etc
– Anyone preparing for entrance examinations and other competitive examinations such as NTSE, Olympiad, etc
– All – High School Students and Freshers

Here’s list of Questions & Answers on Chemistry – Class 12 Subject covering 100+ topics:

1. Questions & Answers on Solid State

The section contains questions and answers on solid state characteristics, amorphous solids, crystalline solids and its classification, crystal lattices, unit cells, close packed structures, packing efficiency, unit cells calculations, solids imperfections, solid state electrical and magnetic properties.

Solid State Characteristics
Amorphous and Crystalline Solids
Classification of Crystalline Solids
Crystal Lattices and Unit Cells
Number of Atoms in a Unit Cell
Close Packed Structures
Packing Efficiency
Calculations Involving Unit Cells Dimensions
Imperfections in Solids
Solid State Electrical Properties
Solid State Magnetic Properties

2. Questions on Solutions

The section contains questions on solutions types and concentration, solubility solutions, liquid solutions vapour pressure, ideal and non ideal solutions, abnormal molar masses, colligative properties and molar mass determination.

Types of Solutions
Expressing Concentration of Solutions
Solubility Solutions
Vapour Pressure of Liquid Solutions
Ideal and Non-Ideal Solutions
Colligative Properties and Determination of Molar Mass – 1
Colligative Properties and Determination of Molar Mass – 2
Abnormal Molar Masses

3. Questions & Answers on Electrochemistry


The section contains questions and answers on electrochemical cells, galvanic cells, nernst equation, electrolytic cells and solutions, electrolysis, batteries, fuel cells and corrosion.

Electrochemical Cells
Galvanic Cells
Nernst Equation
Conductance of Electrolytic Solutions
Electrolytic Cells and Electrolysis
Fuel Cells

4. Questions on Chemical Kinetics

The section contains questions on chemical reaction rate and factors, integrated rate equations, pseudo first order reaction, chemical reactions temperature dependence and collision theory.

Rate of a Chemical Reaction
Factors Influencing Rate of a Reaction
Integrated Rate Equations
Pseudo First Order Reaction
Temperature Dependence of the Rate of a Reaction
Collision Theory of Chemical Reactions

5. Questions & Answers on Surface Chemistry

The section contains questions and answers on adsorption, catalysis, emulsions, colloids and its classification.

Colloids Classification
Colloids Around Us

6. Questions on General Principles and Processes of Isolation of Elements

The section contains questions on metals occurrence, ores concentration, crude metal extraction, metallurgy thermodynamic and electrochemical principles, oxidation reduction, refining, aluminium, copper, zinc and iron uses.

Occurence of Metals
Concentration of Ores
Extraction of Crude Metal from Concentrated Ore
Thermodynamic Principles of Metallurgy
Electrochemical Principles of Metallurgy
Oxidation Reduction
Uses of Aluminium, Copper, Zinc and Iron

7. Questions & Answers on P-Block Elements

The section contains questions and answers on group 15, 16, 17 and 18 elements, dinitrogen, ammonia, nitrogen oxides, nitric acid, phosphorus and sulphur allotropic forms, sulphuric acid, phosphine, phosphorus halides, phosphorus, sulphur and halogens oxoacids, dioxygen, chlorine, hydrogen chloride and interhalogen compounds.

Group 15 Elements
Oxides of Nitrogen
Nitric Acid
Phosphorus – Allotropic Forms
Phosphorus Halides
Oxoacids of Phosphorus
Group 16 Elements
Simple Oxides
Sulphur – Allotropic Forms
Sulphur Dioxide
Oxoacids of Sulphur
Sulphuric Acid
Group 17 Elements
Hydrogen Chloride
Oxoacids of Halogens
Interhalogen Compounds
Group 18 Elements

8. Questions on D and F-Block Elements


The section contains questions on periodic table positions, d block elements properties and electronic configurations, transition elements compounds, lanthanoids, actinoids, d and f block elements applications.

Position of the Periodic Table
Electronic Configurations of the D-Block Elements
General Properties of the Transition Elements (D-Block)
Transition Elements Compounds
Application of D and F-Block Elements

9. Questions & Answers on Coordination Compounds

The section contains questions and answers on werners theory, coordination compounds definitions and nomenclature, coordination compounds isomerism, bonding and stability, coordination compounds importance and applications.

Werner’s Theory of Coordination Compounds
Definitions – Coordination Compounds – 1
Definitions – Coordination Compounds – 2
Nomenclature of Coordination Compounds – 1
Nomenclature of Coordination Compounds – 2
Isomerism in Coordination Compounds – 1
Isomerism in Coordination Compounds – 2
Bonding in Coordination Compounds – 1
Bonding in Coordination Compounds – 2
Bonding in Metal Carbonyls
Stability of Coordination Compounds
Coordination Compounds Importance and Applications

10. Questions on Haloalkanes and Haloarenes

The section contains questions on haloalkanes classification and nomenclature, c-x bond nature, polyhalogen compounds, haloalkanes methods, haloarenes preparation, physical properties and chemical reactions.

Haloalkanes Classification
Haloalkanes Nomenclature
Nature of C-X Bond
Methods of Preparation of Haloalkanes
Preparation of Haloarenes
Haloarenes Physical Properties
Haloalkanes & Haloarenes Chemical Reactions – 1
Haloalkanes & Haloarenes Chemical Reactions – 2
Haloalkanes & Haloarenes Chemical Reactions – 3
Polyhalogen Compounds

11. Questions & Answers on Alcohols, Phenols and Ethers

The section contains questions and answers on alcohols, phenols and ethers classification and nomenclature, functional groups structures, commercially important alcohols and ethers.

Alcohols, Phenols and Ethers Classification
Alcohols, Phenols and Ethers Nomenclature – 1
Alcohols, Phenols and Ethers Nomenclature – 2
Structures of Functional Groups
Alcohols and Phenols – 1
Alcohols and Phenols – 2
Alcohols and Phenols – 3
Alcohols and Phenols – 4
Commercially Important Alcohols

12. Questions on Aldehydes, Ketones and Carboxylic Acids

The section contains questions on carbonyl and carboxyl groups nomenclature and structure, aldehydes and ketones preparation, physical properties and chemical reactions, carboxylic acids methods and its uses, carboxylic acids physical properties and chemical reactions.

Nomenclature and Structure of Carbonyl Groups – 1
Nomenclature and Structure of Carbonyl Groups – 2
Preparation of Aldehydes and Ketones
Aldehydes and Ketones Physical Properties
Aldehydes and Ketones Chemical Reactions – 1
Aldehydes and Ketones Chemical Reactions – 2
Uses of Aldehydes and Ketones
Nomenclature and Structure of Carboxyl Groups
Methods of Carboxylic Acids Preparation
Carboxylic Acids Physical Properties
Carboxylic Acids Chemical Reactions – 1
Carboxylic Acids Chemical Reactions – 2
Carboxylic Acids Chemical Reactions – 3
Uses of Carboxylic Acids

13. Questions & Answers on Amines


The section contains questions and answers on amines structure and classification, amines nomenclature and preparation, amines and diazonium salts physical properties and chemical reactions, diazonium salts preparation methods and aromatic compounds.

Structure of Amines
Amines Classification
Amines Nomenclature – 1
Amines Nomenclature – 2
Preparation of Amines – 1
Preparation of Amines – 2
Amines Physical Properties
Amines Chemical Reactions – 1
Amines Chemical Reactions – 2
Amines Chemical Reactions – 3
Amines Chemical Reactions – 4
Preparation Method of Diazonium Salts
Diazonium Salts Physical Properties
Diazonium Salts Chemical Reactions – 1
Diazonium Salts Chemical Reactions – 2
Diazonium Salts Chemical Reactions – 3
Diazonium Salts in Synthesis of Aromatic Compounds

14. Questions on Biomolecules

The sections covers questions on biomolecules carbohydrates, proteins, enzymes, vitamins, nucleic acids and hormones.

Biomolecules Carbohydrates – 1
Biomolecules Carbohydrates – 2
Biomolecules Carbohydrates – 3
Biomolecules Carbohydrates – 4
Proteins – 1
Proteins – 2
Nucleic Acids

15. Questions & Answers on Polymers

The section contains questions and answers on polymers classification, polymerisation reactions types, polymers molecular mass, biodegradable polymers and polymers importance.

Classification of Polymers
Types of Polymerisation Reactions – 1
Types of Polymerisation Reactions – 2
Molecular Mass of Polymers
Biodegradable Polymers
Polymers of Commercial Importance

16. Questions on Chemistry in Everyday Life

The section contains questions on drugs and their classification, drug target interaction, drugs therapeutic action, food chemicals and cleansing agents.

Drugs and their Classification
Drug-Target Interaction
Therapeutic Action of Different Classes of Drugs – 1
Therapeutic Action of Different Classes of Drugs – 2
Chemicals in Food
Cleansing Agents
If you would like to learn Chemistry thoroughly, you should attempt to work on the complete set of questions and answers mentioned above. It will immensely help anyone trying to crack an exam or an interview.

Wish you the best in your endeavor to learn and master Chemistry!

Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ LinkedIn