CBSE Class 12th Syllabus



Deleted Portion of Class 12th Chemistry 2020-21

Chapter 1: Solid State

Electrical and magnetic properties. Band theory of metals, conductors,  semiconductors  and   insulators and n and p-type semiconductors.

Chapter 2: Solutions

Abnormal molecular mass, Van’t Hoff factor

Chapter 3: Electrochemistry
Lead accumulator, fuel cells, corrosion, law of electrolysis (elementary idea), dry cell- electrolytic cells and Galvanic Cells

Chapter 4: Chemical Kinetics

Concept of collision theory (elementary idea, no mathematical treatment), activation energy, Arrhenius equation

Chapter 5: Surface Chemistry

Emulsion – types of emulsions, catalysis: homogeneous and heterogeneous, activity and selectivity of solid catalysts; enzyme catalysis

Chapter 6: General Principles and Processes of Isolation of Elements

Entire unit

Chapter 7: p-Block Elements

Preparation and properties of Phosphine, Sulphuric Acid: industrial process of manufacture, Oxides of Nitrogen (Structure  only); Phosphorus – allotropic forms, compounds  of Phosphorus: Preparation and properties of Halides and Oxo acids (elementary idea only).

Chapter 8: d and f Block Elements

Chemical reactivity of lanthanides, Actinides -Electronic configuration, oxidation states and comparison with lanthanide. Preparation and properties of KMnO4  and K2Cr2O7

Chapter 9: Coordination Compounds

Structure and stereoisomerism, importance of coordination compounds (in qualitative analysis, extraction of metals and biological system).

Chapter 10: Haloalkanes and Haloarenes

Uses and environmental effects of -dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DDT.

Chapter 11: Alcohols, Phenols and Ethers

Uses with special reference to methanol and ethanol.

Chapter 12: Aldehydes, Ketones and Carboxylic Acid


Chapter 13: Amines 

Diazonium salts: Preparation, chemical reactions and importance in synthetic organic chemistry.

Chapter 14: Biomolecules

Oligosaccharides  (sucrose, lactose, maltose), polysaccharides (starch, cellulose, glycogen), importance of carbohydrates. Vitamins– classification and functions. Enzymes. Hormones – Elementary idea excluding structure.

Chapter 15: Polymers

Entire chapter

Chapter 16: Chemistry in Everydaylife

Entire chapter

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