CBSE Class 12 Chemistry Syllabus 2022-23 cbseacademic.nic.in Check CBSE Syllabus PDF for 12th Class Chemistry Unit-wise, Exam Pattern, Marking Scheme here

CBSE Class 12 Chemistry Syllabus 2022-23 cbseacademic.nic.in Students in Class 12th can find the CBSE Chemistry Syllabus for Term 2 CBSE Board Exams 2022 below. The syllabus is also accessible in PDF format at the conclusion of this article. Students who are planning to take the CBSE 12th Term 2 Board Exams in 2022 should review the CBSE syllabus provided below. Students must follow the Chemistry Syllabus step by step in order to achieve good grades in this subject.

by Keerthika | Last updated: Jan 25, 2023

CBSE Class 12 Chemistry Syllabus 2022-23  cbseacademic.nic.in Check CBSE Syllabus PDF for 12th Class Chemistry Unit-wise, Exam Pattern, Marking Scheme here

CBSE Class 12 Chemistry Syllabus 2022-23 cbseacademic.nic.in Check CBSE Syllabus PDF for 12th Class Chemistry Unit-wise, Exam Pattern, Marking Scheme here

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CBSE Class 12 Chemistry Syllabus 2022-23 @ cbseacademic.nic.in

New Update on 24.01.2023: CBSE Class 12 Chemistry Syllabus 2022-23 - For students in Class 12th, the CBSE Syllabus Chemistry for Term 2 CBSE Board Exams 2022 is provided below. Students can also get the syllabus in PDF format by clicking on the link at the bottom of this page. Students preparing for the CBSE 12th Term 2 Board Exams in 2022 can use the CBSE syllabus provided below as a guide. The Chemistry Syllabus is crucial for students, who must follow it step by step in order to achieve good grades in this subject.

Students should refer to the CBSE Class 12 Chemistry Syllabus 2022-23 from now on. They can also review the syllabus's important chemistry topics. Continue reading to learn about the CBSE chemistry syllabus for class 12, recommended books, and preparation tips.

Official link to check - CBSE Class 12 Chemistry Syllabus 2022-23


CBSE Class 12 Chemistry Syllabus 2022-23

Unit No.

Title

No. of Periods

Marks

Unit I

Solid State

10

23

Unit II

Solutions

10

Unit III

Electrochemistry

12

Unit IV

Chemical Kinetics

10

Unit V

Surface Chemistry

08

Unit VI

General Principles and Processes of Isolation of Elements

08

19

Unit VII

p -Block Elements

12

Unit VIII

d -and f -Block Elements

12

Unit IX

Coordination Compounds

12

Unit X

Haloalkanes and Haloarenes

10

28

Unit XI

Alcohols, Phenols, and Ethers

10

Unit XII

Aldehydes, Ketones, and Carboxylic Acids

10

Unit XIII

Amines

10

Unit XIV

Biomolecules

12

Unit XV

Polymers

08

Unit XVI

Chemistry in Everyday Life

06

Total

160

70

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, electrical and magnetic properties. Band theory of metals, conductors, semiconductors and insulators and n and p-type semiconductors.

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 - the 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, Can'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 V: Surface Chemistry

Adsorption - physisorption and chemisorption, factors affecting adsorption of gases on solids, catalysis: homogenous and heterogenous, activity and selectivity of solid catalysts; enzyme catalysis, 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, emulsion - types of emulsions.

Unit VI: General Principles and Processes of Isolation of Elements

Principles and methods of extraction - concentration, oxidation, reduction - electrolytic method and refining; occurrence and principles of extraction of aluminium, copper, zinc and iron.

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, Oxides of Nitrogen (Structure only); Phosphorus - allotropic forms, compounds of Phosphorus: Preparation and properties of Phosphine, Halides, and Oxoacids (elementary idea only).

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: industrial process of manufacture, 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.

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, color, 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, 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, and uses with special reference to 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, and 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.

Unit XV: Polymers

Classification - natural and synthetic, methods of polymerization (addition and condensation), copolymerization, some important polymers: natural and synthetic like polythene, nylon polyesters, bakelite, rubber. Biodegradable and non-biodegradable polymers.

Unit XVI: Chemistry in Everyday life

Chemicals in medicines - analgesics, tranquilizers antiseptics, disinfectants, antimicrobials, antifertility drugs, antibiotics, antacids, antihistamines.

Chemicals in food - preservatives, artificial sweetening agents, elementary idea of antioxidants.

Cleansing agents- soaps and detergents, cleansing action.

Practical:

Evaluation Scheme for Examination

Marks

Volumetric Analysis

08

Salt Analysis

08

Content-Based Experiment

06

Project Work

04

Class record and viva

04

Total

30

Practical Syllabus:

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, arsenious 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 ions 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 indicator (clock reaction).

C. Thermochemistry

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 enthalpy 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

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

ii) Separation of constituents present in an inorganic mixture containing two cations only

(constituents having large differences 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 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 foodstuffs.

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.

Cation : Pb2+, Cu2+ As3+, Aℓ3+, Fe3+, Mn2+, Zn2+, Cu2+, Ni2+, Ca2+, Sr2+, Ba2+, Mg2+, NH4

Anions: (CO3)2-, S2-, (SO3)2-, (NO2)-, (SO4)2-, Cℓ-, Br-, I-, PO3- , (C2O4)2-, CH3COO-,NO3

4 -

(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 on it.

· 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.

Practical Examination for Visually Impaired Students of Classes XI and XII Evaluation Scheme

Time Allowed: Two hours, Max. Marks:30

Identification/Familiarity with the apparatus

5 marks

Written test (based on given/prescribed practicals)

10 marks

Practical Record

5 marks

Viva

10 marks

Total

30 marks

General Guidelines of CBSE Class 12 Chemistry 2022 for Visually Impaired Students

· Practical examination is of 2 hour duration.

· A list of ten experiments is included here.

· The written examination in practicals will be conducted during practical examination of all other students.

· Written test will be of 30 minutes duration.

· The question paper provided should be legibly typed and contain a total of 15 practical skill-based very short answer type questions. Answer any 10 questions.

· A writer may be allowed to such students.

· All questions in the question papers should be related to listed practicals. Every question requires about two minutes to be answered.

· Students have to maintain a practical file and is expected to record at least 5 of the listed experiments as per specific instructions for each subject and practicals should be duly checked and signed by internal examiner.

· The format of writing any experiment in practical file should include aim, apparatus required, simple theory, procedure, related practical skills, precautions etc.

· Questions may be generated jointly by external/internal examiners and used for assessment.

· The viva questions may have questions based on basic theory/principle/concept, apparatus/materials/ chemicals required, procedure, precautions, sources of error etc.

A. Items for Identification/Familiarity of the apparatus for assessment in practical (All experiments)

Beaker, glass rod, tripod stand, wire gauze, Bunsen burner, Whatman filter paper, gas jar, capillary tube, pestle and mortar, test tubes, tongs, test tube holder, test tube stand, burette, pipette, conical flask, standard flask, clamp stand, funnel, filter paper

Hands-on Assessment

· Identification/familiarity with the apparatus

· Odour detection in qualitative analysis

B. List of Practicals

The experiments have been divided into two sections: Section A and Section B. The experiments mentioned in Section B are mandatory.

SECTION- A

A Surface Chemistry

(1) Preparation of one lyophilic and one lyophobic sol

Lyophilic sol - starch, egg albumin and gum

(2) Preparation of one lyophobic sol

Lyophobic sol – Ferric hydroxide

B Chromatography

(1) Separation of pigments from extracts of leaves and flowers by paper chromatography and determination of Rf values (distance values may be provided).

C Tests for the functional groups present in organic compounds:

(1) Alcoholic and Carboxylic groups.

(2) Aldehydic and Ketonic

D Characteristic tests of carbohydrates and proteins in the given foodstuffs.

E Preparation of Inorganic Compounds- Potash Alum

SECTION-B (Mandatory)

F Quantitative analysis

(1)

(a) Preparation of the standard solution of Oxalic acid of a given volume

(b) Determination of molarity of KMnO4 solution by titrating it against a standard solution of Oxalic acid.

(2) The above exercise [F 1 (a) and (b)] to be conducted using Ferrous ammonium sulphate

(Mohr's salt)

G Qualitative analysis:

(1) Determination of one cation and one anion in a given salt. Cation –NH +

Anions – CO 2-, S2-, SO 2-, Cl-, CH3COO-

(Note: Insoluble salts excluded)

Note: The above practicals may be carried out in an experiential manner rather than recording observations.

What are the books to prepare for the CBSE Class 12 Chemistry Syllabus 2022-23?

1. Chemistry Part -I, Class-XII, Published by NCERT.

2. Chemistry Part -II, Class-XII, Published by NCERT.

Disclaimer: The above information is for general informational purposes only. All information on the Site is provided in good faith, however we make no representation or warranty of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, availability or completeness of any information on the Site.
Tags: , Syllabus 2023, Syllabus, 2023 Syllabus, Syllabus of 2023

Syllabus 2023 - FAQ

1. With this CBSE Class 12 Chemistry Syllabus 2023, What will the students know?

The CBSE Class 12 Chemistry Syllabus 2023 provides the students to know lesson and unit wise portion.

2. When can students check the CBSE Class 12 Chemistry Syllabus 2023?

Students can check the CBSE Class 12 Chemistry Syllabus 2023 from the article.

3. Who conducts CBSE Class 12 Chemistry 2023 exam?

Central Board of Secondary Education (CBSE) conducts CBSE Class 12 Chemistry 2023 exam.

4. What are total theory marks alloted for CBSE Class 12 Chemistry 2023 exam?

The total theory marks alloted for CBSE Class 12 Chemistry 2023 exam is 70.

5. What are Practical marks alloted for CBSE Class 12 Chemistry?

The Practical marks alloted for CBSE Class 12 Chemistry is 30.

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