Bihar Board 12th Chemistry Syllabus | Download PDF

Students who are preparing for Bihar Board Class 12 Exam will get here Bihar Board 12th Chemistry Syllabus with the unit-wise Marks distribution. This will help the aspirants to know about the chapters having more weightage. Also get the PDF of Detailed Syllabus in this Article.  

Chemistry Syllabus Class 12: Unit wise Marks Distribution

Here is the detailed chapter wise Bihar Board 12th Chemistry syllabus below: Unit 1: Solid State

• Classification based on different binding forces
• Crystalline and Amorphous Solid
• Unit cell: in two dimensional and three dimensional lattices, density of unit cell, packing in solids, voids, number of atoms per unit cell, point defects.
• Band theory: Metals, Conductors and Semiconductors and Insulators
• n and p-type semiconductors.

Unit 2: Solutions

• Types of solutions
• Expressing Concentration of solutions
• Osmosis and Osmotic Pressure
• Colligative Properties & Determination of Molar mass
• Abnormal molecular mass
• Vapour Pressure of Liquid solutions
• Depression of Freezing point.

Unit 3: Electrochemistry

• Redox Reactions
• Electrolytic Cells and Electrolysis: Electrolytic Solutions
• Galvanic Cells, Dry Cells and electrolytic Cells: EMF of a cell.
• Nernst Equation and its applications.
• Kohlraush’s Law
• Corrosion
• Fuel Cells

Unit 4: Chemical Kinetics

• Rate of Reaction: Integrated Rate of a reactions, factors affecting the rate of reaction, Temperature dependence.
• Order and molecularity of a reaction, rate law, specific rate constant, integrated rate equations and half life.
• Concept of collision theory.
• Activation energy
• Arrhenius equation.

Unit 5: Surface Chemistry

• Adsorption: factors affecting adsorption of gases on solids
• Catalysis, homogenous and heterogeneous activity and selectivity; enzyme catalysis colloidal state distinction between true solutions,
• Colloids: Preparation of colloids and suspensions
• Properties of Colloids: Tyndall effect, Brownian movement, electrophoresis, coagulation. Emulsion: types of emulsions.

Unit 6: General Principles and Processes of Isolation of Elements

• Principles and Methods of extraction
• Oxidation and Reduction
• Electrolytic method and refining
• Occurrence of extraction of aluminium, copper, zinc and iron.

Unit 7: p-block Elements Group 15 Elements:

• Introduction, Configuration, Oxidation State, Occurrence, Physical & Chemical Properties.
• Nitrogen: Preparation properties, uses, compounds, properties of ammonia and nitric acid, oxides of nitrogen.
• Phosphorus – allotropic forms, compounds of phosphorus: preparation and properties of phosphine, halides PCl3 , PCl5 and oxoacids.

Group 16 Elements:

• Introduction, Configuration, Oxidation State, Occurrence, Physical & Chemical Properties.
• Dioxygen: Preparation properties and uses
• Oxides: Classification of Oxides, Ozone.
• Sulphur: Sulphur allotropic form, Compounds of sulphur, uses of Sulphur-di-oxide, Sulphuric acid, oxoacids of sulphur.

Group 17 Elements:

• Introduction, Configuration, Oxidation State, Occurrence, Physical & Chemical Properties.
• Halogen Compounds, uses of Chlorine and Hydrochloric Acid, interhalogen compounds, oxoacids of halogens.

Group 18 Elements:

• Introduction, Configuration, Oxidation State, Occurrence, Physical & Chemical Properties.

Unit 8: d and f-block elements

• Introduction, Configuration, Oxidation State, Occurrence, Physical & Chemical Properties.
• Transition Metals: Characteristics and Occurrence
• Potassium Dichromate & Potassium Permanganate: Preparation and Properties
• Lanthanoids – Electronic configuration, oxidation states, and lanthanoid contraction.
• Actinoids – Electronic configuration, oxidation states.

Unit 9: Coordination Compounds

• IUPAC nomenclature of mononuclear coordination compounds.
• Bonding in Metal carbonyl’s
• Introduction and Werner’s theory of Coordination Compounds.
• Valence Bond theory and Crystal field Theory: structure and stereo isomerism, importance.

Unit 10: Haloalkanes and Haloarenes

• Haloalkanes: Classification, Applications,  Nomenclature, nature of C-X bond.
• Haloarenes: Nature of C -X bond, substitution reactions
• Uses and environmental effects of – dichloromethane, trichloromethane, tetrachloromethane, iodoform freons, DDT.

Unit 11: Alcohols, Phenols, and Ethers

• Alcohols: Nomenclature, preparation methods, physical and chemical properties, identification of alcohols (Primary, Secondary, and Tertiary), mechanism of dehydration, Uses.
• Phenols: Nomenclature, methods of preparation, Properties, acidic nature of phenol, electrophilic substitution reactions, uses of phenols.
• Ethers: Nomenclature, Preparation Methods, Properties and Uses.

Unit 12: Aldehydes, Ketones, and Carboxylic Acids

• Aldehydes and Ketones: Nomenclature, Preparation Methods, Properties, Nucleophilic addition reaction.
• Carboxylic Acids: Nomenclature, acidic nature, methods of preparation, physical and chemical properties; uses.

Unit 13: Organic Compounds and Containing Nitrogen

• Amines: Structure, Classification, Nomenclature, Preparation Method, Properties, Uses, Identification of Amines (Primary, Secondary & Tertiary).
• Cyanides and Isocyanides: Structure, Classification, Nomenclature, Preparation Method, Properties and Uses
• Diazonium salts: Structure, Classification, Nomenclature, Preparation Method, Properties, and importance in synthetic organic chemistry.

Unit 14: Biomolecules

• Carbohydrates: Classification and Uses.
• Proteins: Structures, Elementary idea of α – amino acids, peptide bond, polypeptides, proteins. Denaturation of proteins and enzymes.
• Vitamins: Classification and functions.
• Nucleic Acids: DNA and RNA structures.

Unit 15: Polymers

• Classification, Polymerization Method, Copolymerization
• Natural and Synthetic Polymers.
• Biodegradable and non-biodegradable polymers.

Unit 16: Chemistry in Everyday Life

• Chemicals in Foods.
• Drugs and their Classification
• Chemicals in medicines:  antiseptics, disinfectants, antifertility drugs, antibiotics, antacids, antihistamines etc.
• Chemicals in food: Preservatives, artificial sweetening agents.
• Cleansing agents: Soaps and detergents, cleansing action.

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