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Home » CBSE » CBSE Class 11 Chemistry Syllabus 2023: Check Revised Syllabus for CBSE Academic Year 2022-23

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    CBSE Class 11 Chemistry Syllabus 2023: Check Revised Syllabus for CBSE Academic Year 2022-23

    Here we have provided CBSE Class 11 Chemistry Syllabus 2022-23 for all subjects. Students can download those and start their preparation.

    by Kriti Kohli
    Mar 24, 2023, 4:06 PM IST
    in CBSE
    0
    CBSE Class 11 Chemistry Syllabus 2023

    CBSE Class 11 Chemistry Syllabus 2023

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    Table of Contents

    • CBSE Class 11 Chemistry Syllabus
    • CBSE Class 11 Chemistry Detailed Syllabus
        • Prescribed Books:
    • FAQs about CBSE Class 11 Chemistry Syllabus 2023
      • Is there any change in CBSE 11th syllabus 2022-23?
      • Will there be 2 terms in 2023?
      • How many chapters are there in Chemistry in Class 11?
      • Which reference book is the most suitable for NEET Chemistry 2022?
      • Where to download the CBSE class 11 Chemistry syllabus 2022-23?

    Chemistry is one of the fundamental branches of science. Chemistry is also known as the science of atoms and molecules. The Central Board of Secondary Education has released the revised syllabus for CBSE Class 11 Chemistry. This syllabus will help students to get to know the prescribed units along with their weightage for the CBSE Class 11 Chemistry for the session 2022-23.

    CBSE Class 11 Chemistry Syllabus

    Theory Paper

    S.No. UNIT MARKS
    1. Some Basic Concepts of Chemistry 7
    2. Structure of Atom 9
    3. Classification of Elements and Periodicity in Properties 6
    4. Chemical Bonding and Molecular Structure 7
    5. Chemical Thermodynamics 9
    6. Equilibrium 7
    7. Redox Reactions 4
    8. Organic Chemistry: Some basic Principles and Techniques 11
    9. Hydrocarbons 10
      TOTAL 70

    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

    CBSE Class 11 Chemistry Detailed Syllabus

    Unit I: Some Basic Concepts of Chemistry

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

    Unit II: Structure of Atom

    Discovery of Electron, Proton, and Neutron, atomic number, isotopes, and isobars. Thomson’s model and its limitations. Rutherford’s model and its limitations, 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.

    Unit III: Classification of Elements and Periodicity in Properties 

    Significance of classification, brief history of the development of periodic table, 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 number greater than 100.

    Unit IV: Chemical Bonding and Molecular Structure

    Valence electrons, ionic bond, covalent bond, bond parameters, Lewis’s 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 VI: Chemical Thermodynamics

    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, heat capacity and specific heat, measurement of ΔU and ΔH, 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 non- spontaneous processes, criteria for equilibrium. Third law of thermodynamics (brief introduction).

    Unit VII: Equilibrium 

    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, hydrolysis of salts (elementary idea), buffer solution, Henderson Equation, solubility product, common ion effect (with illustrative examples).

    Unit VIII: Redox Reactions

    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 XII: Organic Chemistry -Some Basic Principles and Techniques 

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

    Unit XIII: Hydrocarbons

    Classification of Hydrocarbons

    Aliphatic Hydrocarbons:

    Alkanes – Nomenclature, isomerism, conformation (ethane only), physical properties, chemical reactions including free radical mechanism of halogenation, combustion and pyrolysis.

    Alkenes – Nomenclature, the 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, the 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 Craft’s alkylation and acylation, directive influence of the functional group in monosubstituted benzene. Carcinogenicity and toxicity.

    Prescribed Books:

    • Chemistry Part – I Class-XI, Published by NCERT
    • Chemistry Part – II, Class-XI, Published by NCERT
    • Laboratory Manual of Chemistry, Class XI Published by NCERT
    • Other related books and manuals of NCERT including multimedia and online sources
    • NCERT Solutions for Class 11 by Aakash

    FAQs about CBSE Class 11 Chemistry Syllabus 2023

    Is there any change in CBSE 11th syllabus 2022-23?

    CBSE class 11 syllabus is reduced for the session 2022-23. The board has given the list of deleted topics in the CBSE syllabus for class 11 Physics, Chemistry, Mathematics, Biology, Accountancy, Business Studies, History, Geography, and other subjects.

    Will there be 2 terms in 2023?

    The Central Board of Secondary Education (CBSE) confirmed that it will hold CBSE Board Exams 2023 only once this year. In 2023, the CBSE will not conduct Term 1 and Term 2 exams. Instead, it will conduct exams annually.

    How many chapters are there in Chemistry in Class 11?

    All of the 14 chapters in the syllabus provided by CBSE for Class 11 Chemistry are divided into units for mark distribution.

    Which reference book is the most suitable for NEET Chemistry 2022?

    - NCERT (Textbook) Chemistry – Class 11 & 12
    - Physical Chemistry by O.P. Tandon
    - Physical Chemistry by P. Bahadur
    - ABC of Chemistry for Class 11 and 12 by Modern

    Where to download the CBSE class 11 Chemistry syllabus 2022-23?

    Here on this page, you can check the CBSE Class 11 Chemistry syllabus 2022-23 or you can visit the CBSE official website to download all subjects’ syllabus 2022-23.

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