CBSE Deleted Syllabus For Class 11 Chemistry: Download Free PDF

CBSE Deleted Syllabus For Class 11 Chemistry: Chemistry is a very important and main subject of Class 11. Whether a student is from Medical stream or Non-medical stream, physics subject is equally important to both of them. Chemistry is a theoretical and concept based subject. So if a student’s concepts are not clear, he/she cannot score good marks in this subject. So student needs to practice well for scoring high marks in this subject.

CBSE Class 11 Chemistry Deleted Syllabus

Due to the Covid-19 situation, no proper school functioning is taking place. There is a increasing stress on student’s shoulders and it is very difficult to cover entire syllabus in online classes. So CBSE has decided to reduce the syllabus by 30% of all classes.

Here student can check the deleted portions from Chemistry subject for Class 11 2020-21 academic year:-

CHAPTER NUMBER CHAPTER NAME DELETED PORTION
1  

Some basic concepts of Chemistry

Nature of matter,  laws  of chemical combination,  Dalton’s  atomic theory: concept of elements, atoms and molecules
2  

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
3 Classification of Elements and Periodicity in properties Significance of classification, brief history of the development of periodic table
5  

 

 

States of Matter

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)
6  

Chemical Thermodynamics’

Heat capacity and specific heat capacity,Criteria for equilibrium
7 Equilibrium Hydrolysis of salts (elementary idea), Henderson Equation.
8 Redox Reactions Applications of redox reactions
9  

Hydrogen

Preparation, properties and uses of hydrogen, hydrogen peroxide – preparation, reactionsand structure and use;
10  

 

 

 

 

S-block elements

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.
11  

 

 

 

 

Some p-block elements

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

 

12 Organic chemistry: Some basic principles and techniques Methods of purification, qualitative and quantitative analysis
13  

Hydrocarbons

Free radical mechanism of halogenation, combustion and pyrolysis
14 Environmental Chemistry Full chapter deleted

DELETED PRACTICALS OF CBSE CLASS 11 CHEMISTRY 2020

  • Experiments based on pH
  1. 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.
  1. b) Study the pH change by common-ion in case of weak acids and weak bases.
  • Chemical Equilibrium

One of the following experiments:

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

 

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