Class 11th

Download Latest Updated CBSE Class 11 Syllabus Chemistry

CA Wizard brings the latest CBSE Class 11 Syllabus Chemistry for its readers. You can see the complete and latest syllabus on our free portal here. We share information regarding the newest CBSE class 11 and 12 updates and CA course updates.

You can visit the link given if you want to download the CBSE Class 11 Syllabus of other subjects. 

The Chemistry exams test the students’ ability on the analytical, comprehension, and evaluation skills. Chemistry is a core subject of the Science stream, so you need to know the latest CBSE Class 11 Chemistry Syllabus. 

CBSE Class 11 Syllabus Chemistry (2020-21)

The COVID-19 crisis has increased the pressure for class 11th students. Due to the changed circumstances, CBSE has reduced the 30% syllabus for the upcoming annual March 21 exams. 

We know you may have questions like how many chapters are removed or which topics are deleted from the CBSE class 11 syllabus chemistry. So in the tables below, we have separated the topics that you have to study and the topics that are now removed from the syllabus.

Take your books and start marking/highlighting the topics right away.

Unit I: Some Basic Concepts of Chemistry

Topics covered in SyllabusDeleted Topics
General Introduction: Importance and scope of Chemistry. Atomic and molecular masses, mole concept and molar mass, percentage composition, empirical and molecular formula, chemical reactions, stoichiometry and calculations based on stoichiometry. Nature of matter, laws of chemical combination, Dalton’s atomic theory: concept of elements, atoms and molecules.

Unit II: Structure of Atom

Topics covered in SyllabusDeleted Topics
Bohr’s model and its limitations, concept of shells and subshells, dual nature of matter and light, de Broglie’s relationship, Heisenberg uncertainty principle, concept of orbitals, quantum numbers, shapes of s, p and d orbitals, rules for filling electrons in orbitals – Aufbau principle, Pauli’s exclusion principle and Hund’s rule, electronic configuration of atoms, stability of half-filled and completely filled orbitals.Discovery of Electron, Proton and Neutron, atomic number, isotopes and isobars. Thomson’s model and its limitations. Rutherford’s model and its limitations.

Unit III. Classification of Elements and Periodicity in Properties

Topics covered in SyllabusDeleted Topics
Modern periodic law and the present form of periodic table, periodic trends in properties of elements -atomic radii, ionic radii, inert gas radii, Ionization enthalpy, electron gain enthalpy, electronegativity, valency. Nomenclature of elements with atomic numbers greater than 100.Significance of classification, brief history of the development of periodic table

Unit IV. Chemical Bonding and Molecular Structure

Topics covered in SyllabusDeleted Topics
Valence electrons, ionic bond, covalent bond, bond parameters, Lewis structure, polar character of covalent bond, covalent character of ionic bond, valence bond theory, resonance, geometry of covalent molecules, VSEPR theory, concept of hybridization, involving s, p and d orbitals and shapes of some simple molecules, molecular orbital theory of homonuclear diatomic molecules(qualitative idea only), Hydrogen bond.

Unit V. States of Matter: Gases and Liquids

Topics covered in SyllabusDeleted Topics
Three states of matter, intermolecular interactions, types of bonding, melting and boiling points, role of gas laws in elucidating the concept of the molecule, Boyle’s law, Charles law, Gay Lussac’s law, Avogadro’s law, ideal behaviour, empirical derivation of gas equation, Avogadro’s number, ideal gas equation and deviation from ideal behaviourliquefaction of gases, critical temperature, kinetic energy and molecular speeds (elementary idea), Liquid State- vapour pressure, viscosity and surface tension (qualitative idea only, no mathematical derivations)

Unit VI. Chemical Thermodynamics

Topics covered in SyllabusDeleted Topics
Concepts of System and types of systems, surroundings, work, heat, energy, extensive and intensive properties, state functions. First law of thermodynamics -internal energy and enthalpy,measurement of U and H, Hess’s law of constant heat summation, enthalpy of bond dissociation, combustion, formation, atomization, sublimation, phase transition, ionization, solution and dilution. Second law of Thermodynamics (brief introduction) Introduction of entropy as a state function, Gibb’s energy change for spontaneous and nonspontaneous processes.Third law of thermodynamics (brief introduction). Heat capacity and specific heat, criteria for equilibrium.

Unit VII. Equilibrium

Topics covered in SyllabusDeleted Topics
Equilibrium in physical and chemical processes, dynamic nature of equilibrium, law of mass action, equilibrium constant, factors affecting equilibrium – Le Chatelier’s principle, ionic equilibrium- ionization of acids and bases, strong and weak electrolytes, degree of ionization, ionization of poly basic acids, acid strength, concept of pH, buffer solution, solubility product, common ion effect (with illustrative examples).hydrolysis of salts (elementary idea), Henderson Equation

Unit VIII. Redox Reactions:

Topics covered in SyllabusDeleted Topics
Deleted Topics
Concept of oxidation and reduction, redox reactions, oxidation number, balancing redox reactions, in terms of loss and gain of electrons and change in oxidation number.Applications of redox reactions

Unit IX. Hydrogen

Topics covered in SyllabusDeleted Topics
Position of hydrogen in periodic table, occurrence, isotopes, hydrides-ionic covalent and interstitial; physical and chemical properties of water, heavy water, hydrogen as a fuel.preparation, properties and uses of hydrogen, hydrogen peroxide -preparation,  reactions and structure and use

Unit X. s -Block Elements

Topics covered in SyllabusDeleted Topics
Group 1 and Group 2 Elements General introduction, electronic configuration, occurrence, anomalous properties of the first element of each group, diagonal relationship, trends in the variation of properties (such as ionization enthalpy, atomic and ionic radii), trends in chemical reactivity with oxygen, water, hydrogen and halogens, uses. Preparation and Properties of Some Important Compounds: Sodium Carbonate, Sodium Chloride, Sodium Hydroxide and Sodium Hydrogen carbonate, Biological importance of Sodium and Potassium. Calcium Oxide and Calcium Carbonate and their industrial uses, biological importance of Magnesium and Calcium.

Unit XI. Some p -Block Elements

Topics covered in SyllabusDeleted Topics
General Introduction to p -Block Elements Group 13 Elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous properties of a first element of the group, Boron – physical and chemical properties.Group 14 Elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous behaviour of first elements. Carbon-catenation, allotropic forms, physical and chemical properties; Some important compounds: Borax, Boric acid, Boron Hydrides, Aluminium: Reactions with acids and alkalis, uses.  Carbon: uses of some important compounds:oxides, Important compounds of Silicon and a few uses: Silicon Tetrachloride, Silicones, Silicates and Zeolites, their uses. 

Unit XII. Organic Chemistry: Some basic Principles and Techniques

Topics covered in SyllabusDeleted Topics
General introduction, classification and IUPAC nomenclature of organic compounds. Electronic displacements in a covalent bond: inductive effect, electromeric effect, resonance and hyperconjugation. Homolytic and heterolytic fission of a covalent bond: free radicals, carbocations, carbanions, electrophiles and nucleophiles, types of organic reactions. methods of purification, qualitative and quantitative analysis

Unit XIII. Hydrocarbons Environmental Chemistry

Topics covered in SyllabusDeleted Topics
Classification of Hydrocarbons Aliphatic Hydrocarbons: Alkanes – Nomenclature, isomerism, conformation (ethane only), physical properties, chemical reactions Alkenes – Nomenclature, structure of double bond (ethene), geometrical isomerism, physical properties, methods of preparation, chemical reactions: addition of hydrogen, halogen, water, hydrogen halides (Markovnikov’s addition and peroxide effect), ozonolysis, oxidation, mechanism of electrophilic addition.Alkynes – Nomenclature, structure of triple bond (ethyne), physical properties, methods of preparation, chemical reactions: acidic character of alkynes, addition reaction of – hydrogen, halogens, hydrogen halides and water. Aromatic Hydrocarbons: Introduction, IUPAC nomenclature, benzene: resonance, aromaticity, chemical properties: mechanism of electrophilic substitution. Nitration, sulphonation, halogenation, Friedel Crafts alkylation and acylation, directive influence of functional group in monosubstituted benzene. Carcinogenicity and toxicity. free radical mechanism of halogenation, combustion and pyrolysis.

Unit XIV. Environmental Chemistry

Deleted Topics

Environmental pollution – air, water and soil pollution, chemical reactions in the atmosphere, smog, major atmospheric pollutants, acid rain, ozone and its reactions, effects of depletion of the ozone layer, greenhouse effect, and global warming- pollution due to industrial wastes, green chemistry as an alternative tool for reducing pollution, strategies for control of environmental pollution.

*This chapter is removed from the CBSE Class 11 Syllabus Chemistry for the March 2021 annual exam.

Practical CBSE Class 11 Syllabus Chemistry

The syllabus for practicals is also revised and reduced for the 2020-21 exams. The topics that are coming and that are removed are given below:

  • Basic Laboratory Techniques
    • Cutting glass tube and glass rod
    • Bending a glass tube
    • Drawing out a glass jet
    • Boring a cork
  • Characterization and Purification of Chemical Substances
    • Determination of melting point of an organic compound.
    • Determination of boiling point of an organic compound.
    • Crystallization of impure samples of any one of the following: Alum, Copper Sulphate, Benzoic Acid.
  • Quantitative Estimation
    • Using a mechanical balance/electronic balance.
    • Preparation of standard solution of Oxalic acid.
    • Determination of strength of a given solution of Sodium hydroxide by titrating it against standard solution of Oxalic acid.
    • Preparation of standard solution of Sodium carbonate.
    • Determination of strength of a given solution of hydrochloric acid by titrating it against standard Sodium Carbonate solution.
  • Qualitative Analysis
    • Determination of one anion and one cation in a given salt
    • Cations- Pb2+, Cu2+, As3+, Al3+, Fe3+, Mn2+, Ni2+, Zn2+, Co2+, Ca2+, Sr2+, Ba2+, Mg2+, NH4
    • Anions – (CO3) 2- , S2- , NO2 – , SO3 2- , SO2- 4, NO3 – , Cl- , Br- , I- , PO4 3- , C2O 2- 4, CH3COO- (Note: Insoluble salts excluded)
    • Detection of -Nitrogen, Sulphur, Chlorine in organic compounds.
    • PROJECTS: 
    • Scientific investigations involving laboratory testing and collecting information from other sources. A few suggested Projects
      • Checking the bacterial contamination in drinking water by testing sulphide ion
      • Study of the methods of purification of water
      • Testing the hardness, presence of Iron, Fluoride, Chloride, etc., depending upon the regional variation in drinking water and study of causes of presence of these ions above permissible limit (if any).
      • Investigation of the foaming capacity of different washing soaps and the effect of addition of Sodium carbonate on it
      • Study the acidity of different samples of tea leaves.
      • Determination of the rate of evaporation of different liquids
      • Study the effect of acids and bases on the tensile strength of fibers.
      • Study of acidity of fruit and vegetable juices.

Deleted topics from CBSE Class 11 Syllabus Chemistry

  • Experiments based on pH
    • Any one of the following experiments:
      • Determination of pH of some solutions obtained from fruit juices, solution of known and varied concentrations of acids, bases and salts using pH paper or universal indicator.
      • Comparing the pH of solutions of strong and weak acids of same concentration.
      • Study the pH change in the titration of a strong base using universal indicators.
    • Study the pH change by common-ion in case of weak acids and weak bases.
  • Chemical Equilibrium

    One of the following experiments:

    • Study the shift in equilibrium between ferric ions and thiocyanate ions by increasing/decreasing the concentration of either of the ions.
    • Study the shift in equilibrium between [Co(H2O)6] 2+ and chloride ions by changing the concentration of either of the ions.

How to study or finish the CBSE Class 11 Syllabus of Chemistry on-time?

To score good marks in the Chemistry exam, you can follow these simple tips while doing your exam preparation:

  • Set a schedule for all the chapters and finish daily goals.
  • Make notes and charts to remember difficult concepts or formulae easily. 
  • Regularly revise previously learned topics.
  • Download and solve CBSE class 11 sample papers.

Frequently Asked Questions

Q1. What is the CBSE class 11 syllabus chemistry?

Ans. The entire CBSE class 11 chemistry syllabus is given in this article by CA Wizard. 

Q2. Which is the most recommended book for CBSE class 11 chemistry subject?

Ans. NCERT book is the best for class chemistry subjects. You can download the ebooks from here.  

Q3. How many chapters are there in CBSE class 11 chemistry? 

Ans. There are a total of 15 chapters in class 11 chemistry. Although, the last chapter has been removed from the syllabus for the current academic year. 

Q4. Is there any change in CBSE class 11 syllabus chemistry?

Ans. Yes, around 30% of the syllabus is removed for the final exam of 2020-21.

Q5. From where to download the latest CBSE class 11 chemistry syllabus? 

Ans. CA Wizard is the best online portal for downloading the CBSE class 11 chemistry syllabus. 

Q6. Which topics are removed from the class 11 chemistry syllabus?

Ans. The complete list of removed portions from the class 11 chemistry syllabus is given in this article.

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