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CBSE Class 11 Chemistry Syllabus 2019 - 20

The Central Board of Secondary Education (CBSE) has released CBSE Class 11 Chemistry Syllabus 2019-20. With this article, you can download PDF of CBSE Class 11 Chemistry Syllabus.

May 18, 2019 16:14 IST
    CBSE Class 11 Chemistry Syllabus 2019 - 20
    CBSE Class 11 Chemistry Syllabus 2019 - 20

    Latest CBSE Class 11 Chemistry Syllabus 2019-20 is available here for download in PDF format. Link to download CBSE Syllabus for Class 11 Chemistry is given at the end of this article. New CBSE Class 11 Chemistry Syllabus contains complete details about course structure (Theory and Practicals), design of question paper, prescribed textbook.

    (Theory Paper: Time - 3 Hours, Total Marks – 70)

    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

    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

    Unit I: Some Basic Concepts of Chemistry (12 Periods)

    General Introduction: Importance and scope of chemistry.

    Nature of matter, laws of chemical combination, Dalton's atomic theory: 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.

    List of Recommended Books for CBSE Class 11 Chemistry

    • NCERT Textbooks for Class 11 Chemistry (With Solutions)

    • NCERT Exemplar: Class 11 Chemistry

    • Pardeep's New Course Chemistry for Class 11th (Volume I and Volume II)

    Unit II: Structure of Atom (14 Periods)

    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 (08 Periods)

    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

    NCERT Exemplar: CBSE Class 11 Chemistry – All Chapters

    Unit IV: Chemical Bonding and Molecular structure (14 Periods)

    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 (12 Periods)

    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.

    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 16 Periods

    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 (14 Periods)

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

    Unit VIII: Redox Reactions (06 Periods)

    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 (08 Periods)

    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.

    Class 11th Chemistry NCERT Solutions: All Chapters

    Unit X: s-Block Elements (Alkali and Alkaline Earth Metals) 10 Periods

    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 Hydrogencarbonate, Biological importance of Sodium and Potassium.

    Calcium Oxide and Calcium Carbonate and their industrial uses, biological importance of Magnesium and Calcium.

    Unit XI: p -Block Elements (14 Periods)

    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 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, variation of properties, oxidation states, trends in chemical reactivity, 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 Techniques (14 Periods)

    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 (12 Periods)

    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, 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, 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 Craft's alkylation and acylation, directive influence of functional group in monosubstituted benzene.

    Carcinogenicity and toxicity.

    Unit XIV: Environmental Chemistry (06 Periods)

    Environmental pollution - air, water and soil pollution, chemical reactions in 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.

    CBSE Class 11 Chemistry Syllabus 2019-20

    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 (Total Periods 60)

    Micro-chemical methods are available for several of the practical experiments.

    Wherever possible such techniques should be used:

    A. Basic Laboratory Techniques

    1. Cutting glass tube and glass rod

    2. Bending a glass tube

    3. Drawing out a glass jet

    4. Boring a cork

    B. Characterization and Purification of Chemical Substances

    1. Determination of melting point of an organic compound.

    2. Determination of boiling point of an organic compound.

    3. Crystallization of impure sample of any one of the following: Alum, Copper Sulphate, Benzoic Acid.

    C. Experiments based on pH

    (a) 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 indicator.

    (b) Study the pH change by common-ion in case of weak acids and weak bases.

    D. Chemical Equilibrium

    One of the following experiments:

    (a) Study the shift in equilibrium between ferric ions and thiocyanate ions by increasing/decreasing the concentration of either of the ions.

    (b) Study the shift in equilibrium between [Co(H2O)6]2+and chloride ions by changing the concentration of either of the ions.

    E. Quantitative Estimation

    (i) Using a chemical balance.

    (ii) Preparation of standard solution of Oxalic acid.

    (iii) Determination of strength of a given solution of Sodium Hydroxide by titrating it against standard solution of Oxalic acid.

    (iv) Preparation of standard solution of Sodium Carbonate.

    (v) Determination of strength of a given solution of Hydrochloric acid by titrating it against standard Sodium Carbonate solution.

    F. Qualitative Analysis

    (a) Determination of one anion and one cation in a given salt

    Cations- Pb2+, Cu2+, Al3+, Fe3+, Mn2+, Ni2+, Zn2+, Co2+, Ca2+, Sr2+,Ba2+, Mg2+, [NH4]+

    Anions – [CO3]2-, S2-, [SO3]2-, [SO4]2-, [NO3]-, Cl-, Br-, I-, [PO4]3-, [C2O4]2-, CH3COO-

    (Note: Insoluble salts excluded)

    (b) Detection of -Nitrogen, Sulphur, Chlorine in organic compounds.

    Project Work: CBSE Class 11 Chemistry

    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.

    Note: Any other investigatory project, which involves about 10 periods of work, can be chosen with the approval of the teacher.

    For more details download the complete CBSE Class 11 Chemistry Syllabus 2019-20

    Download CBSE Class 11 Chemistry Syllabus 2019-20 in PDF format

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