UPDATED CBSE Class 11 Chemistry Syllabus: 2019-20

    Class 11 Chemistry Syllabus
    Class 11 Chemistry Syllabus

    Hi Students, today we are going to discuss the latest Syllabus of Class 11 Chemistry Syllabus. As you know very well that Central Board of Secondary Education (CBSE) has its own curriculum and they hold the supreme authority to change it further for the benefit of students. In this article, you can get complete information related CBSE Class 11 Chemistry Syllabus and Class 11 Chemistry Exam Pattern for the academic year 2019-20. Students can also download the Class 11 Chemistry Syllabus in pdf for the academic year 2019-20.

    So it’s always a wise decision to keep an eye on what happening around with the subject you are going to learn. This year CBSE made little bit changes in class 11 Chemistry Syllabus. Let us have a look at the updated CBSE Class 11 Chemistry Syllabus for the academic year 2019-20

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    CBSE Class 11 Chemistry Syllabus


    Check out the latest CBSE Chemistry Syllabus for Class 11. The syllabus is for the academic year 2019-20 session and will remain the same until the next notification. students are advised to check out the complete syllabus.

    Unit No. Title No. of Periods Marks
    Unit I Some Basic Concepts of Chemistry 12 11
    Unit II Structure of Atom 14
    Unit III Classification of Elements and Periodicity in Properties 08 04
    Unit IV Chemical Bonding and Molecular Structure 14 21
    Unit V States of Matter: Gases and Liquids 12
    Unit VI Chemical Thermodynamics 16
    Unit VII Equilibrium 14
    Unit VIII Redox Reactions 06 16
    Unit IX Hydrogen 08
    Unit X s -Block Elements 10
    Unit XI Some p -Block Elements 14
    Unit XII Organic Chemistry: Some Basic Principles and Techniques 14 18
    Unit XIII Hydrocarbons 12
    Unit XIV Environmental Chemistry 06
    Total 160 70

    Class 11 Chemistry Syllabus in Brief


    Below we have mentioned the CBSE Class 11 Chemistry Syllabus in briefly describe to know the complete information regarding Chemistry Syllabus For 11 Class Students. Students are advised to check the Complete Chemistry for 11 Class.

    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: a 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, the concept of shells and subshells, dual nature of matter and light, de Broglie’s relationship, Heisenberg uncertainty principle, a 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

    The significance of classification, a 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 structure, polar character of a covalent bond, the covalent character of ionic bond, valence bond theory, resonance, the geometry of covalent molecules, VSEPR theory, the concept of hybridization, involving s,p and d orbitals and shapes of some simple molecules, the molecular orbital theory of homonuclear diatomic molecules(qualitative idea only), hydrogen bond.

    Unit V: States of Matter: Gases and Liquids

    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 behavior, empirical derivation of gas equation, Avogadro’s number, ideal gas equation. Deviation from ideal behaviour, liquefaction 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

    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 U and H, Hess’s law of constant heat summation, enthalpy of bond dissociation, combustion, formation, atomization, sublimation, phase transition, ionization, solution, and dilution. The second law of Thermodynamics (brief introduction)
    Introduction of entropy as a state function, Gibb’s energy change for spontaneous and nonspontaneous 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, the degree of ionization, ionization of polybasic acids, acid strength, the concept of pH, Henderson Equation, hydrolysis of salts (elementary idea), buffer solution, solubility product, common ion effect (with illustrative examples).

    Unit VIII: Redox Reactions

    The 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

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

    Unit X: s-Block Elements (Alkali and Alkaline Earth Metals)

    Group 1 and Group 2 Elements General introduction, electronic configuration, occurrence, anomalous properties of the first
    the 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 use.
    Preparation and Properties of Some Important Compounds:-
    Sodium Carbonate, Sodium Chloride, Sodium Hydroxide and Sodium Hydrogencarbonate, The 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

    General Introduction to p -Block Elements Group 13 Elements: General introduction, electronic configuration, occurrence, a variation of properties, oxidation states, trends in chemical reactivity, anomalous properties of the first element
    of the group, Boron – physical and chemical properties, some important compounds, Borax, Boric acid, Boron Hydrides, Aluminium: Reactions with acids and alkalies, uses.
    Group 14 Elements:- General introduction, electronic configuration, occurrence, the variation of properties, oxidation states, trends in chemical reactivity, the anomalous behaviour of first elements. Carbon-catenation, allotropic forms, physical and chemical properties; 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 Technique

    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 hyperconjugation. 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, a structure of double bond (ethene), geometrical isomerism, physical properties, methods of preparation, chemical reactions: addition of hydrogen, halogen, water, hydrogen halides (Markownikov’s addition and peroxide effect), ozonolysis, oxidation, the mechanism
    of electrophilic addition. Alkynes – Nomenclature, a 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 functional group in monosubstituted benzene. Carcinogenicity and toxicity.

    Unit XIV: Environmental Chemistry

    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 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.

    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

    Class 11 Chemistry Syllabus in Pdf


    Here in this Section we have mentioned the CBSE Class 11 Chemistry Syllabus in pdf Format. Students Can Check the Class 11 Chemistry Syllabus in pdf and Class 11 Chemistry Exam Pattern For the academic year 2019-20. Get free pdf for 2019-20 Chemistry syllabus.

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    1 CBSE Class 11 Study Materials Click Here
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    3 CBSE Class 11 Sample Paper Click Here
    4 CBSE Class 11 Syllabus Click Here
    5 CBSE Class 11 Previous Year Paper Click Here
    6 CBSE Class 11 Work Sheet Click Here
    7 CBSE Class 11 Holiday Homework Click Here
    8 CBSE Class 11 NCERT Solution Click Here

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