CBSE Class 11 Chemistry Syllabus 2020-21 pdf download

Check deleted portion of CBSE 11th Chemistry Syllabus 2020-21. The board has reduced CBSE 11th Chemistry Syllabus 2020-21 by 30%. In this article, we provide the details of the topics which have been deleted by the Central Board of Secondary Education. Links to access other important articles and the latest CBSE Syllabus are also available here.

CBSE Class 11 Syllabus 2020-21 (Reduced): All Subjects

Unit Name – Some Basic Concepts of Chemistry

Portion reduced – Nature of matter, laws of chemical combination, Dalton’s atomic theory: concept of elements, atoms and molecules.

Unit Name – Structure of Atom

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

Unit Name – Classification of Elements and Periodicity in Properties

Portion reduced- Significance of classification, brief history of the development of periodic table,

Unit Name – Chemical Bonding and Molecular Structure

Portion reduced- None yet

Unit Name – States of Matter: Gases and Liquids

Portion reduced – 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 Name – Chemical Thermodynamics

Portion reduced – Heat capacity and specific heat capacity, Criteria for equilibrium

Unit Name – Equilibrium

Portion reduced – hydrolysis of salts (elementary idea), Henderson Equation

Unit Name – Redox Reactions

Portion reduced- applications of redox reactions

Unit Name – Hydrogen

Portion reduced – Preparation, properties and uses of hydrogen, hydrogen peroxide – preparation, reactionsand structure and use;

Unit Name – s -Block Elements

Portion reduced – 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 Name – Some p -Block Elements

Portion reduced – Some important compounds: Borax, Boric acid, Boron Hydrides, Aluminium: Reactions with acids and alkalies, 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 Name – Organic Chemistry: Some basic Principles and Techniques

PoPortion reduced – methods of purification, qualitative and quantitative analysis

Unit Name – Hydrocarbons

Portion reduced – free radical mechanism of halogenation, combustion and pyrolysis.

Unit Name – Environmental Chemistry

Portion reduced – Entire chapter

Practical

 The following portion is deleted

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.

CBSE Class 11 Chemistry Syllabus 2020-21 – Students must go through the prescribed CBSE syllabus for class 11 Chemistry to start preparation for theory and practical exam. CBSE class 11 Chemistry syllabus 2020-21 comprises chapters and topics to be studied to ace the exam.

Related Links for Students –

CBSE Class 11 Physics Syllabus 2020-21 and more updates

CBSE class 11 syllabus 2020-21

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