CBSE Class 12 Chemistry Syllabus 2020-21: If you are appearing for CBSE Class 12 Board Exams 2020-21, you must have a proper study plan. Having a detailed knowledge of the CBSE Class 12 Chemistry Syllabus is extremely important for your preparation. Students must refer to it while preparing and revision to make sure they have finished every single chapter and concept. In this article, we will give detailed information about CBSE Class 12 Chemistry Syllabus.
Apart from the board exam, it will also help students in their preparation for JEE and NEET as the syllabus of these two national-level engineering and medical entrance exams is the same as the CBSE syllabus of Class 11-12 PCM/B subjects. Read on to find out the detailed CBSE Class 12 Chemistry syllabus 2020.
Latest Update: Due to the Pandemic, the officials have reduced the CBSE Class 12 Syllabus for Chemistry by almost 30%. Scroll down to find out the deleted topics.
CBSE Class 12 Chemistry Syllabus
The CBSE syllabus for Class 12 Chemistry has both Theory and Practical. The Theory Exam is conducted for 70 marks whereas Practical Exam is held for 30 marks. In this article, we will cover the CBSE Class 12 Chemistry syllabus of both Theory and Practical.
|Chapter Name||NCERT Solutions||Mock Test Links|
|Solid State||Chapter 1||Click Here|
|Solutions||Chapter 2||Click Here|
|Electrochemistry||Chapter 3||Click Here|
|Chemical Kinetics||Chapter 4||Click Here|
|Surface Chemistry||Chapter 5||Click Here|
|General Principles and Processes of Isolation of Elements|
(Deleted Unit from 2020-21 syllabus)
|Chapter 6||Click Here|
|p -Block Elements||Chapter 7||Click Here|
|Coordination Compounds||Chapter 8||Click Here|
|Haloalkanes and Haloarenes||Chapter 9||Click Here|
|Alcohols, Phenols and Ethers||Chapter 10||Click Here|
|Aldehydes, Ketones and Carboxylic Acids||Chapter 11||Click Here|
|Amines||Chapter 12||Click Here|
|Biomolecules||Chapter 13||Click Here|
|Polymers (Deleted Unit from 2020-21 syllabus)||Chapter 14||Click Here|
|Chemistry in Everyday Life |
(Deleted Unit from 2020-21 syllabus)
|Chapter 15||Click Here|
List Of Deleted Topics In CBSE Class 12 Chemistry Syllabus
The list of deleted topics in CBSE Class 12 is given below:
|Unit Name||Topics Deleted|
|Solid State||Electrical and magnetic properties. Band theory of metals, conductors, semiconductors and insulators and n and p-type semiconductors.|
|Solutions||Solutions Abnormal molecular mass, Van’t Hoff factor|
|Electrochemistry||Electrochemistry Lead accumulator, fuel cells, corrosion, law of electrolysis (elementary idea), dry cell- electrolytic cells and Galvanic Cells|
|Chemical Kinetics||Chemical Kinetics Concept of collision theory (elementary idea, no mathematical treatment), activation energy, Arrhenius equation|
|Surface Chemistry||types of emulsions, catalysis: homogeneous and heterogeneous, activity and selectivity of solid catalysts; enzyme catalysis|
|General Principles and Processes of Isolation of Elements||Entire unit|
|p -Block Elements||Preparation and properties of Phosphine, Sulphuric Acid: industrial process of manufacture, Oxides of Nitrogen (Structure only); Phosphorus – allotropic forms, compounds of Phosphorus: Preparation and properties of Halides and Oxo acids (elementary idea only).|
|d -and f -Block Elements||Chemical reactivity of lanthanides, Actinides -Electronic configuration, oxidation states and comparison with lanthanide. Preparation and properties of KMnO4 and K2Cr2O7|
|Coordination Compounds||Coordination Compounds Structure and stereoisomerism, importance of coordination compounds (in qualitative analysis, extraction of metals and biological system).|
|Haloalkanes and Haloarenes||Haloalkanes and Haloarenes Uses and environmental effects of -dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DDT.|
|Alcohols, Phenols and Ethers||Uses with special reference to methanol and ethanol.|
|Aldehydes, Ketones and Carboxylic Acids||Aldehydes, Ketones and Carboxylic Acid|
|Amines||Amines Diazonium salts: Preparation, chemical reactions and importance in synthetic organic chemistry.|
|Biomolecules||Oligosaccharides (sucrose, lactose, maltose), polysaccharides (starch, cellulose, glycogen), importance of carbohydrates. Vitamins– classification and functions. Enzymes. Hormones – Elementary idea excluding structure.|
|Chemistry in Everyday Life||Entire chapter|
CBSE Class 12 Syllabus For Chemistry: Theory
|CBSE Class 12 Syllabus For Chemistry For Unit I: Solid State||Classification of solids based on different binding forces: molecular, ionic, covalent and metallic solids, amorphous and crystalline solids (elementary idea). Unit cell in two dimensional and three dimensional lattices, calculation of density of unit cell, packing in solids, packing efficiency, voids, number of atoms per unit cell in a cubic unit cell, point defects.||Click Here|
|CBSE Class 12 Syllabus For Chemistry For Unit II: Solutions||Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gases in liquids, solid solutions, Raoult’s law, colligative properties ‐ relative lowering of vapour pressure, elevation of boiling point, depression of freezing point, osmotic pressure, determination of molecular masses using colligative properties.||Click Here|
|CBSE Class 12 Syllabus For Chemistry For Unit III: Electrochemistry||Redox reactions, EMF of a cell, standard electrode potential, Nernst equation and its application to chemical cells, Relation between Gibbs energy change and EMF of a cell, conductance in electrolytic solutions, specific and molar conductivity, variations of conductivity with concentration, Kohlrausch’s Law, electrolysis.||Click Here|
|CBSE Class 12 Syllabus For Chemistry For Unit IV: Chemical Kinetics||Rate of a reaction (Average and instantaneous), factors affecting rate of reaction: concentration, temperature, catalyst; order and molecularity of a reaction, rate law and specific rate constant, integrated rate equations and half‐life (only for zero and first order reactions).||Click Here|
|CBSE Class 12 Syllabus For Chemistry For Unit V: Surface Chemistry||Adsorption, physisorption and chemisorption, factors affecting adsorption of gases on solids, colloidal state: distinction between true solutions, colloids and suspension; lyophilic, lyophobic, multi‐molecular and macromolecular colloids; properties of colloids; Tyndall effect, Brownian movement, electrophoresis, coagulation.||Click Here|
|CBSE Class 12 Syllabus For Chemistry For Unit VII: p-Block Elements||Group ‐15 Elements: General introduction, electronic configuration, occurrence, oxidation states, trends in physical and chemical properties; Nitrogen preparation properties and uses; compounds of Nitrogen: preparation and properties of Ammonia and Nitric Acid.
Group 16 Elements: General introduction, electronic configuration, oxidation states, occurrence, trends in physical and chemical properties, dioxygen: preparation, properties and uses, classification of Oxides, Ozone, Sulphur ‐allotropic forms; compounds of Sulphur: preparation properties and uses of Sulphur‐dioxide, Sulphuric Acid:properties and uses; Oxoacids of Sulphur (Structures only).
Group 17 Elements: General introduction, electronic configuration, oxidation states, occurrence, trends in physical and chemical properties; compounds of halogens, Preparation, properties and uses of Chlorine and Hydrochloric acid, interhalogen compounds, Oxoacids of halogens (structures only).
Group 18 Elements: General introduction, electronic configuration, occurrence, trends in physical and chemical properties, uses.
|CBSE Class 12 Syllabus For Chemistry For Unit VIII: d and f Block Elements||General introduction, electronic configuration, occurrence and characteristics of transition metals, general trends in properties of the first row transition metals – metallic character, ionization enthalpy, oxidation states, ionic radii, colour, catalytic property, magnetic properties, interstitial compounds, alloy formation.
Lanthanoids ‐ Electronic configuration, oxidation states and lanthanoid contraction and its consequences.
|CBSE Class 12 Syllabus For Chemistry For Unit IX: Coordination Compounds||Coordination compounds ‐ Introduction, ligands, coordination number, colour, magnetic properties and shapes, IUPAC nomenclature of mononuclear coordination compounds. Bonding, Werner’s theory, VBT, and CFT.||Click Here|
|CBSE Class 12 Syllabus For Chemistry For Unit X: Haloalkanes and Haloarenes.||Haloalkanes: Nomenclature, nature of C–X bond, physical and chemical properties, optical rotation mechanism of substitution reactions.
Haloarenes: Nature of C–X bond, substitution reactions (Directive influence of halogen in monosubstituted compounds only).
|CBSE Class 12 Syllabus For Chemistry For Unit XI: Alcohols, Phenols and Ethers||Alcohols: Nomenclature, methods of preparation, physical and chemical properties (of primary alcohols only), identification of primary, secondary and tertiary alcohols, mechanism of dehydration.
Phenols: Nomenclature, methods of preparation, physical and chemical properties, acidic nature of phenol, electrophilic substitution reactions, uses of phenols.
Ethers: Nomenclature, methods of preparation, physical and chemical properties, uses.
|CBSE Class 12 Syllabus For Chemistry For Unit XII: Aldehydes, Ketones and Carboxylic Acids||Aldehydes and Ketones: Nomenclature, nature of carbonyl group, methods of preparation, physical and chemical properties, mechanism of nucleophilic addition, reactivity of alpha hydrogen in aldehydes, uses.
Carboxylic Acids: Nomenclature, acidic nature, methods of preparation, physical and chemical properties; uses.
|CBSE Class 12 Syllabus For Chemistry For Unit XIII: Amines||Amines: Nomenclature, classification, structure, methods of preparation, physical and chemical properties, uses, identification of primary, secondary and tertiary amines.||Click Here|
|CBSE Class 12 Syllabus For Chemistry For Unit XIV: Biomolecules||Carbohydrates ‐ Classification (aldoses and ketoses), monosaccharides (glucose and fructose), D‐L configuration
Proteins ‐Elementary idea of ‐ amino acids, peptide bond, polypeptides, proteins, structure of \ proteins ‐ primary, secondary, tertiary structure and quaternary structures (qualitative idea only), denaturation of proteins.
CBSE Class 12 Syllabus For Chemistry: Practical
The CBSE Class 12 Chemistry Practical exam carries 30 marks and the time duration is three hours.
The evaluation scheme is as under:
|Volumetric Analysis||8 marks|
|Salt Analysis||8 marks|
|Content Based Experiment||6 marks|
|Project Work||4 marks|
|Class Record and Viva||4 marks|
Micro-chemical methods are available for several of the practical experiments. Wherever possible, such techniques should be used.
A. Surface Chemistry
- (a) Preparation of one lyophilic and one lyophobic sol Lyophilic sol – starch, egg albumin and gum Lyophobic sol – aluminium hydroxide, ferric hydroxide, arsenous sulphide.
- (b) Dialysis of sol-prepared in (a) above.
- (c) Study of the role of emulsifying agents in stabilizing the emulsion of different oils.
B. Chemical Kinetics
- (a) Effect of concentration and temperature on the rate of reaction between Sodium Thiosulphate and Hydrochloric acid.
- (b) Study of reaction rates of any one of the following:
(i) Reaction of Iodide ion with Hydrogen Peroxide at room temperature using different concentration of Iodide ions.
(ii) Reaction between Potassium Iodate, (KIO3) and Sodium Sulphite: (Na2SO3) using starch solution as indicator (clock reaction).
Any one of the following experiments:
- i) Enthalpy of dissolution of Copper Sulphate or Potassium Nitrate.
- ii) Enthalpy of neutralization of strong acid (HCI) and strong base (NaOH).
- iii) Determination of enthaply change during interaction (Hydrogen bond formation) between Acetone and Chloroform.
Variation of cell potential in Zn/Zn2+|| Cu2+/Cu with change in concentration of electrolytes (CuSO4or ZnSO4) at room temperature.
- i) Separation of pigments from extracts of leaves and flowers by paper chromatography and determination of Rfvalues.
- ii) Separation of constituents present in an inorganic mixture containing two cations only (constituents having large difference in Rf values to be provided).
F. Preparation of Inorganic Compounds
- i) Preparation of double salt of Ferrous Ammonium Sulphate or Potash Alum.
- ii) Preparation of Potassium Ferric Oxalate.
G. Preparation of Organic Compounds
Preparation of any one of the following compounds:
- i) Acetanilide
- ii) Di -benzal Acetone
- iii) p-Nitroacetanilide
- iv) Aniline yellow or 2 – Naphthol Aniline dye.
H. Tests for the Functional Groups Present in Organic Compounds
Unsaturation, alcoholic, phenolic, aldehydic, ketonic, carboxylic and amino (Primary) groups.
I. Characteristic tests of carbohydrates, fats and proteins in pure samples and their detection in given food stuffs.
J. Determination of Concentration/Molarity of KMnO4 Solution by Titrating it Against a Standard Solution of:
- i) Oxalic acid,
- ii) Ferrous Ammonium Sulphate (Students will be required to prepare standard solutions by weighing themselves).
K. Qualitative Analysis Determination of One Cation and One Anion in a Given Salt
- i) Cation – Pb2 +, Cu2+, Al3+, Fe3+, Mn2+, Zn2+, Cu2+, Co2+, Ni2+, Ca2+, Sr2+, Ba2+ , Mg2+,[NH4] +
- ii) Anions – [CO3] 2- , S2- , [SO3] 2- , [SO4] 2- , [NO2] – , Cl- ,Br- , I- , [PO4] 3- , [C2O4] 2- , CH3COO-
(Note: Insoluble salts excluded)
CBSE Class 12 Syllabus For Chemistry: Suggested Projects
Scientific investigations involving laboratory testing and collecting information from other sources.
A few suggested projects are as under
- a. Study of the presence of oxalate ions in guava fruit at different stages of ripening.
- b. Study of quantity of casein present in different samples of milk.
- c. Preparation of soybean milk and its comparison with the natural milk with respect to curd formation, effect of temperature, etc.
- d. Study of the effect of Potassium Bisulphate as food preservative under various conditions (temperature, concentration, time, etc.)
- e. Study of digestion of starch by salivary amylase and effect of pH and temperature on it.
- f. Comparative study of the rate of fermentation of following materials: wheat flour, gram flour, potato juice, carrot juice, etc.
- g. Extraction of essential oils present in Saunf (aniseed), Ajwain (carum), Illaichi (cardamom).
- h. Study of common food adulterants in fat, oil, butter, sugar, turmeric power, chilli powder and pepper.
Note: Any other investigatory project, which involves about 10 periods of work, can be chosen with the approval of the teacher.
FAQs Regarding CBSE Class 12 Chemistry Syllabus
The frequently asked questions regarding CBSE Class 12 Chemistry Syllabus are given below:
A. Read this article to know the deleted topics.
A. No, only a few topics are deleted from Solid State and they are – Electrical and magnetic properties. Band theory of metals, conductors, semiconductors and insulators and n and p-type semiconductors.
A. Yes, the officials have deleted the CBSE 12th Syllabus by up to 30%.
Now you know the detailed Class 12 syllabus for Chemistry. Make sure that you finish each and every unit, chapter, and concept with maximum efficiency. Solve CBSE Class 12 Chemistry questions on Embibe diligently. Also, Embibe provides CBSE study material with which you can understand the concepts that are not clear to you.
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