CBSE Class 12 Chemistry Syllabus 2022-23

CBSE has announced the new syllabus for academic session 2022-23 on its official website. This year board has updated CBSE Chemistry syllabus. The students preparing for the upcoming chemistry board exam 2022, should go thoroughly with the new CBSE class 12 syllabus 2022. 

CA Wizard has come up with the free download of the CBSE class 12 chemistry syllabus in pdf format, with the marking scheme, and all the updated information related to the chemistry exam. 

From this article download the CBSE class 12 chemistry syllabus 2022-23 PDF for future reference. 

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Download CBSE Class 12 Chemistry Syllabus 2022-23

The CBSE class 12 chemistry syllabus is available here to download in PDF format. For the upcoming exam, students must only go through the revised class 12 chemistry syllabus CBSE. From this article, students can download the CBSE class 12 chemistry syllabus 2022-23 pdf.

Go through the detailed class 12 chemistry syllabus CBSE given below:

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, abnormal molecular mass,
Van’t Hoff factor.

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 and law of electrolysis
(elementary idea), dry cell-electrolytic cells and Galvanic cells, lead accumulator, fuel
cells, corrosion.

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), concept of collision theory (elementary idea, no mathematical treatment),
activation energy, Arrhenius equation.

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, preparation and properties of K2Cr2O7 and KMnO4.

Lanthanoids ‐ Electronic configuration, oxidation states, Chemical reactivity and lanthanoid contraction and its consequences.

Actinoids – Electronic configuration, oxidation states and comparison with lanthanoids.

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; structure and stereoisomerism, the importance
of coordination compounds (in qualitative analysis, extraction of metals and biological
system).

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).

Uses and environmental effects of – dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DDT.

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. Use with special reference methanol and ethanol.

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.

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.

Unit XIII: Amines

Amines: Nomenclature, classification, structure, methods of preparation, physical and chemical properties, uses, identification of primary, secondary and tertiary amines.

Diazonium salts: Preparation, chemical reactions and importance in synthetic organic
chemistry.

Unit XIV: Biomolecules   

Carbohydrates ‐ Classification (aldoses and ketoses), monosaccharides (glucose and
fructose), D-L configuration oligosaccharides (sucrose, lactose, maltose), polysaccharides
(starch, cellulose, glycogen); Importance of carbohydrates.

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; enzymes. Hormones – Elementary idea
excluding structure.

Vitamins – Classification and functions.

Nucleic Acids: DNA and RNA.

CBSE Class 12 Chemistry Marking Scheme 2022-23

CBSE Class 12 Chemistry Syllabus for Practical 2022-23

To score good marks in the exam, it is important for students to prepare for the chemistry practical exam. Given below is the CBSE class 12 chemistry syllabus for practical.

 Micro-chemical methods are available for several of 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 concentrations of Iodide ions. 

(ii) Reaction between Potassium Iodate, (KIO₃) and Sodium Sulphite: (Na₂SO₃)  using starch solution as an indicator (clock reaction).  

C. Thermochemistry  

Any one of the following experiments  

(a) Enthalpy of dissolution of Copper Sulphate or Potassium Nitrate.  

(b) Enthalpy of neutralization of strong acid (HCI) and strong base (NaOH).  (c) Determination of enthaply change during interaction (Hydrogen bond formation)  between Acetone and Chloroform.  

D. Electrochemistry  

Variation of cell potential in Zn/Zn²⁺|| Cu²⁺/Cu with change in concentration of  electrolytes (CuSO₄ or ZnSO₄) at room temperature.  

E. Chromatography  

(a) Separation of pigments from extracts of leaves and flowers by paper  chromatography and determination of Rf values.  

(b) 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  

Preparation of double salt of Ferrous Ammonium Sulphate or Potash  

Alum. Preparation of Potassium Ferric Oxalate. 

G. Preparation of Organic Compounds  

Preparation of any one of the following compounds  

i) Acetanilide ii) Di -benzalAcetone iii) p-Nitroacetanilide iv) Aniline yellow or 2 – Naphthol Anilinedye.  

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 foodstuffs.  

J. Determination of concentration/ molarity of KMnO₄ solution by titrating it  against a standard solution of:  

(a) Oxalic acid,  

(b) Ferrous Ammonium Sulphate  

(Students will be required to prepare standard solutions by  

weighing themselves).  

K. Qualitative analysis  

Determination of one anion and one cation in a given salt  

 Cation:  

 Pb^2+, Cu²⁺ As³⁺, Aℓ³⁺, Fe³⁺, Mn²⁺, Zn²⁺, Ni²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Mg²⁺, NH₄+  

Anions:

 (CO₃)^2-, S^2-, (SO₃)^2-, (NO₂)^–, (SO₄)^2-, Cℓ^–, Br^–, I^–, (PO₄)^3-, (C₂O₄)^2-, CH₃COO^–, NO₃^–  (Note: Insoluble salts excluded)  

PROJECT

Scientific investigations involving laboratory testing and collecting information from other sources

A few suggested Projects.

• Study of the presence of oxalate ions in guava fruit at different stages of ripening.
• Study of quantity of casein present in different samples of milk.
• Preparation of soyabean milk and its comparison with the natural milk with respect to curd formation, effect of temperature, etc.
• Study of the effect of Potassium Bisulphate as food preservative under various conditions(temperature, concentration, time,etc.)
• Study of digestion of starch by salivary amylase and effect of pH and temperature onit.
• Comparative study of the rate of fermentation of following materials: wheat flour, gram flour, potato juice, carrot juice, etc.
• Extraction of essential oils present in Saunf (aniseed), Ajwain (carum), Illaichi(cardamom).
• Study of common food adulterants in fat, oil, butter, sugar, turmeric powder, 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.

CBSE Class 12 Chemistry Practical Evaluation Scheme

CBSE Class 12 Chemistry Syllabus: Steps to download

To download the CBSE class 12 chemistry syllabus from the official website, follow the given steps:

Step 1 – Visit the official website CBSE.nic.in.

Step 2 – On the top of the home page, you will see the option of ‘curriculum’. Click on the tab, it will redirect you to the syllabus page.

Step 3 – Now click on the option ‘Senior Secondary Curriculum (XI-XII)’

Step 4 – Select the ‘ Academic Electives – (Group-A)’ option. The list of subjects will now open on the screens.

Step 5 – Click on the subject names to download the syllabus for the respective subject.

Step 6 – Click on the download button and save the syllabus in pdf format.

CBSE Class 12 Chemistry- Recommended Books

The prescribed book for chemistry is the NCERT chemistry book. NCERT class 12 chemistry books have detailed explanations of each and every topic in a very easy language. By studying for the NCERT books students can clear the chemistry exam with good marks.

1. CBSE Class 12 Chemistry Part 1- NCERT Book
2. CBSE Class 12 Chemistry Part 2- NCERT Book

Frequently Asked Questions

Q1. What is the syllabus of CBSE Class 12th Chemistry?

Ans: The CBSE class 12 chemistry syllabus 2022-23 pdf is available above on this page.

Q2. How many chapters are there in class 12th Chemistry CBSE?

Ans: There are 16 Chapters in CBSE Class 12th chemistry Syllabus.

Q3. Is NCERT book enough for the upcoming CBSE Class 12 chemistry exam?

Ans: Yes, NCERT book enough for the upcoming CBSE Class 12 chemistry exam. The topics and chapters are explained very appropriately in a detailed way and in easily understandable language.

Q4. Is class 12th is Easier than Class 11th?

Ans: No, class 11th and 12th equally same. In both the class you have to study conceptually.