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Download PDF of CBSE Class 12 Chemistry Syllabus 2021-22: Reduced 30%

Download PDF of CBSE Class 12 Chemistry Syllabus 2021-22: Reduced 30%

The Central Board of Secondary Education has announced the Revised CBSE class 12 Chemistry syllabus 2021. Due to the pandemic, the Board has reduced the CBSE class 12 Chemistry Syllabus by 30%. Chemistry is an important subject for the Science stream students which emphasis on properties, structure, and constituents of matter or substance and its interactions with other forms of matter. The latest CBSE Class 12 Chemistry Syllabus 2021-22 has been announced and can be downloaded, students must make sure to go through class 12th chemistry syllabus and chemistry deleted syllabus class 12 for better understanding

The students preparing for the upcoming Chemistry Board Exam must prepare only from the Revised CBSE class 12 Chemistry syllabus 2021, as it provides students with an insight into which chapters are included for the exams and which topics are excluded for this academic year 2021-22. Class 12 chemistry syllabus NCERT  is provided in this post for student’s reference.

For students to have a proper strategic plan, Vidya Setu provides CBSE class 12 chemistry syllabus 2021-22 pdf download with detailed and updated information related to the CBSE class 12 Chemistry Syllabus. According to class 12 toppers as per class 12 results, students should make sure to go through the CBSE class 12 syllabus and class 12 date sheet very thoroughly.

Vidya Setu is one of the Best and Free Online Study Portal, with experienced faculty members for the preparation of Class XI and Class XII. Therefore, Register Now with Vidya Setu, and for all the latest updates regarding the CBSE class 12 Chemistry Syllabus bookmark this page. Vidyasetu also provides class 12 chemistry syllabus up board and class 12 chemistry syllabus Bihar board for student’s reference.

Download CBSE Class 12 Chemistry Syllabus 2021 (Reduced 30%)

Students preparing for preparation of the upcoming chemistry exam must have knowledge of the Revised CBSE Class 12 Chemistry Syllabus 2021-22. Students must know what chapters they have to study and what all topics or units are reduced from the class 12 chemistry syllabus CBSE for this academic year 2021-22. Total chapters in chemistry class 12 are explained below with important sub-topics. You can also find other science subject’s syllabus like the CBSE class 12 physics syllabus.

From this article, students can Download the Revised CBSE Class 12 Chemistry Syllabus 2021-22, with all the Deleted topics from the syllabus and updated weightage of each unit.

Download New CBSE Class 12 Chemistry Syllabus 

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.

Unit II: Solutions  

Types of solutions, expression of concentration of solutions of solids in liquids, the solubility of gases in liquids, solid solutions, Raoult’s law, colligative properties ‐ the relative lowering of vapor pressure, the elevation of boiling point, depression of freezing point,  osmotic pressure,  determination of molecular masses using colligative properties.

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.

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).

Unit V: Surface Chemistry 

Adsorption, physisorption and chemisorption, factors affecting adsorption of gases on solids, colloidal state: the distinction between true solutions, colloids, and suspension; lyophilic, lyophobic, multi‐molecular and macromolecular colloids; properties of colloids; Tyndall effect, Brownian movement, electrophoresis, coagulation.

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.

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.

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

Unit IX: Coordination Compounds 

Coordination compounds ‐ Introduction, ligands, coordination number, color, magnetic properties and shapes,  IUPAC nomenclature of mononuclear coordination compounds. Bonding,  Werner’s theory, VBT, and CFT.

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).

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.

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, the 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.

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, the structure of \ proteins ‐ primary, secondary, tertiary structure and quaternary structures (qualitative idea only), denaturation of proteins.

Nucleic Acids: DNA and RNA.

Chemistry Deleted Syllabus Class 12

This academic year, due to the Covid-19 pandemic, the Central Board of Secondary Education has removed a few of the topics from the CBSE class 12 chemistry syllabus. Students preparing for the exam must know all the removed topics from the syllabus. Chemistry deleted syllabus class 12 must be taken under consideration by every student, chemistry class 12 deleted syllabus is provided below such that students do not have to confuse themselves while visiting various sites.

Given below are all the Deleted topics from the CBSE class 12 Chemistry Syllabus for this academic year 2021-22

Unit NameTopics Deleted
Solid StateElectrical and magnetic properties. Band theory of metals, conductors, semiconductors, and insulators, and n and p-type semiconductors.
SolutionsSolutions Abnormal molecular mass, Can’t Hoff factor
ElectrochemistryElectrochemistry Lead accumulator, fuel cells, corrosion, the law of electrolysis (elementary idea), dry cell- electrolytic cells and Galvanic Cells
Chemical KineticsChemical Kinetics Concept of collision theory (elementary idea, no mathematical treatment), activation energy, Arrhenius equation
Surface Chemistrytypes of emulsions, catalysis: homogeneous and heterogeneous, activity and selectivity of solid catalysts; enzyme catalysis
General Principles and Processes of Isolation of ElementsEntire unit
p -Block ElementsPreparation 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 ElementsThe chemical reactivity of lanthanides, Actinides -Electronic configuration, oxidation states and comparison with lanthanide. Preparation and properties of KMnO4 and K2Cr2O7
Coordination CompoundsCoordination Compounds Structure and stereoisomerism, the importance of coordination compounds (in qualitative analysis, extraction of metals and biological system).
Haloalkanes and HaloarenesHaloalkanes and Haloarenes Uses and environmental effects of -dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DDT.
Alcohols, Phenols, and EthersUses with special reference to methanol and ethanol.
Aldehydes, Ketones and Carboxylic AcidsAldehydes, Ketones and Carboxylic Acid
AminesAmines Diazonium salts: Preparation, chemical reactions, and importance in synthetic organic chemistry.
BiomoleculesOligosaccharides (sucrose, lactose, maltose), polysaccharides (starch, cellulose, glycogen), the importance of carbohydrates. Vitamins– classification and functions. Enzymes. Hormones – Elementary idea excluding structure.
PolymersEntire chapter
Chemistry in Everyday LifeEntire chapter

CBSE Class 12 Chemistry Unit Wise Weightage

The chemistry theory paper consists of a total of 70 marks. To score good marks in the upcoming chemistry exam 2021, students must know the weightage of each unit and prepare accordingly. Given below is the CBSE class 12 chemistry unit-wise weightage as per the revised CBSE Class 12 Chemistry Syllabus. Marks distribution of chemistry class 12 is provided below in tabular form with chapter-wise marks distribution of chemistry class 12 as well.

Unit No.TitleMarks
Unit ISolid State23
Unit IISolutions
Unit IIIElectrochemistry
Unit IVChemical Kinetics
Unit VSurface Chemistry
Unit VIIp ‐Block Elements19
Unit VIIId ‐and f ‐Block Elements
Unit IXCoordination Compounds
Unit XHaloalkanes and Haloarenes28
Unit XIAlcohols, Phenols, and Ethers
Unit XIIAldehydes, Ketones and Carboxylic Acids
Unit XIIIAmines
Unit XIVBiomolecules
 Total70

CBSE Class 12 Chemistry Syllabus for Practical 2021

It is extremely important for the students to also prepare for the CBSE class 12 chemistry practical syllabus to clear the upcoming chemistry exam with flying colors. Class 12 practical exams are conducted by the CBSE with a motive to provide practical knowledge to the students as well.

So given below is the detailed CBSE Class 12 Chemistry practical syllabus pdf 2021-22. Students must download it for future reference.

Download New CBSE Class 12 Chemistry Syllabus for Practical

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).

A. Preparation of Inorganic Compounds

Preparation of double salt of Ferrous Ammonium Sulphate of Potash Alum. Preparation of Potassium Ferric Oxalate.

B. Tests for the functional groups present in organic compounds: 

Unsaturation, alcoholic, phenolic, aldehydic, ketonic, carboxylic, and amino (Primary) groups.

C. Characteristic tests of carbohydrates, fats and proteins in pure samples and their

detection in given foodstuffs.

D. 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).

E. 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- 4, (C2O4)2-, CH3COO-, NO 3

(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 soybean milk and its comparison with the natural milk with respect to curd formation, the 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 unit.
  • Comparative study of the rate of fermentation of the 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, chili 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

The CBSE class 12 chemistry practical consists of 30 marks. Before the practical exams, students must go thoroughly with the detailed evaluation schemes for the chemistry practical given below. The marking scheme of Chemistry class 12 is given by the CBSE. These practicals are majorly conducted on the campus only in front of externals.

Evaluation Scheme for ExaminationMarks
Volumetric Analysis08
Salt Analysis08
Content-Based Experiment06
Project Work04
Class record and viva04
Total30

Updated CBSE Pattern for Class 12 Chemistry 2021-22

  • Theoretical Paper: 70 marks
  • Practical/ Project Work: 30 Marks

CBSE Class 12 Chemistry Question Paper Structure:

Time Duration3 Hours
Maximum Marks70 marks
Total No. of Questions37
Type of QuestionsVery Short Answer – 1 mark
Short Answer – 2 marks
Long Answer I – 3 marks
Long Answer II – 5 marks

How to Download CBSE Class 12 Chemistry Syllabus 2021

Class 12 students can also download the CBSE class 12 Chemistry syllabus from the official website as well as from this article. The steps to download the syllabus are given below.

  • Steps to download from Official Website

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.

  • Steps to Download the Syllabus from this article

Step 1- Open the PDF link.

Step 2- On the top right side, you will find an “arrow button”.

Step 3- By clicking the arrow button, your CBSE class 12 Chemistry syllabus will be downloaded on your device.

Note: To avoid confusion and complexity, download the CBSE class 12 chemistry syllabus 2021-22 from Vidya Setu by following 2 very easy steps.

CBSE Class 12 Chemistry Important Terminologies

Going thoroughly with the important terminologies will make the understanding clear about the subject. As per the revised CBSE class 12 Chemistry Syllabus, given below Vidya Setu has provided all the terminologies which will help students to score well in the upcoming Chemistry board exam.

Important TerminologyMeaning
Central Atom or IonThe ion or atom with which a fixed number of ions or groups are bound in a proper geometrical arrangement in a coordination entity around it
LigandsIons or molecules bound to the central metal atom or ion in a coordination entity
Coordination PolyhedronThe ligand atoms arrangement in a spatial form which is directly attached with central atom or ion
Oxidation Number of Central AtomThe charge an atom can carry if all the ligands are removed along with the electron pairs that are shared with the central atom
Coordination NumberNumber of ligand-donor atoms that are bonded directly to the metal
Coordination SphereThe central atom or ion and the ligands attached to it are enclosed in square brackets, collectively called coordination spheres.
Coordination CompoundsComplex compounds in which the transition metal atoms are bound to a number of anions or neutral molecules

CBSE Class 12 Chemistry Sample Papers with Solutions

Once the 12 class CBSE chemistry syllabus is completed, students need proper revision before appearing for the exam. Therefore, students must solve the CBSE class 12 chemistry sample papers to assess their preparations for the upcoming exam. Given below are the last 3 years of CBSE class 12 Chemistry Sample Papers with a solution. You can also find other Cbse class 12 sample paper-like class 12 biology sample paper as well.

CBSE class 12 chemistry sample paper 2021-22Sample PaperAnswer
CBSE class 12 chemistry sample paper 2019-20Sample PaperAnswer
CBSE class 12 chemistry sample paper 2018-19Sample PaperAnswer

CBSE Class 12 Chemistry Grading Scheme

As per the CBSE curriculum, the grades and marks of the class 12 exam are awarded to students on the basis of a 9-point grading system. Check out the Assessment scheme of CBSE class 12 upcoming chemistry exam 2021-22 given below.

CBSE Class 12 Chemistry Grading Scheme
A-1Top 1/8th of the passed candidates
A-2Next 1/8th of the passed candidates
B-1Next 1/8th of the passed candidates
B-2Next 1/8th of the passed candidates
C-1Next 1/8th of the passed candidates
C-2Next 1/8th of the passed candidates
D-1Next 1/8th of the passed candidates
D-2Next 1/8th of the passed candidates
EFailed Candidates

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. You can also find the NCERT solutions for class 12 chemistry at Vidya Setu Learning.

Class 12 Chemistry Exam 2021: Preparation Tips

To get the best result in the upcoming CBSE Class 12 Chemistry exam, students must follow the given tips below:

  • First of all, students must prepare a strict study plan.
  • Students must then have all the study material such as NCERT book, sample papers, question paper, revised chemistry syllabus, etc.
  • Before starting the preparation, the CBSE chemistry syllabus for class 12 pdf. Students must have a knowledge of what topics are included and deleted for this academic year 2021-22.
  • As per the weightage of each unit students must devote their time to the particular topic.
  • Try to learn all the important terminologies related to the subject.
  • Revision is very critical for every student. So, to have a proper revision try to solve the chemistry sample papers.

Conclusion

For better and advanced learning, students must Enroll Now with Vidya Setu. Vidya Setu is renowned for outstanding results every year. For all the latest and updated information regarding Class 11 and class 12, visit this page. The direct link to download the CBSE Class 12 Chemistry Syllabus is given below.

Frequently Asked Questions

Q1. Is the CBSE Class 12 Chemistry Syllabus changed for this academic year 2021-22?

Ans: Yes, due to the covid-19 pandemic the board has reduced the CBSE class 12 chemistry syllabus 2021-22 by 30%.

Q2.What topics are removed from the CBSE class 12 Chemistry Syllabus?

Ans: All the deleted topics of the CBSE class 12 chemistry syllabus for theory and practice are mentioned above on this page.

Q3. Is the 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.

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