JKBOSE Class 12 Chemistry Syllabus 2026-27: Unit-Wise Topics, Marks & Exam Pattern

Particulars

Details

Board

JKBOSE / Jammu and Kashmir Board

Class

12

Subject

Chemistry

Academic Session

2026-27

Theory Marks

70

Practicals

30

Total Marks

100

Time Allowed

3 Hours

Total Units

10

Chemistry Syllabus

Unit I: Solutions

Unit II: Electrochemistry

Unit III: Chemical Kinetics

Unit IV: d and f-Block Elements

Lanthanides

Actinides

Unit V: Co-ordination Compounds

Unit VI: Haloalkanes and Haloarenes

Haloalkanes

Haloarenes

Unit VII: Alcohols, Phenols and Ethers

Alcohols

Phenols

Ethers

Unit VIII: Aldehydes, Ketones and Carboxylic Acids

Aldehydes and Ketones

Carboxylic Acids

Unit IX: Organic Compounds Containing Nitrogen

Amines

Cyanides and Isocyanides

Diazonium Salts

Unit X: Biomolecules

Carbohydrates

Proteins

Nucleic Acids

Vitamins

Unit

Marks

Chapter

Topics Covered

I. Solutions

7

Solutions

Types of solutions; concentration of solids in liquids; solubility of gases in liquids; solid solutions; Raoult's law; colligative properties, including relative lowering of vapour pressure, elevation of boiling point, depression of freezing point and osmotic pressure; determination of molecular mass; abnormal molecular mass; Van't Hoff factor and related calculations

II. Electrochemistry

9

Electrochemistry

Redox reactions; conductance in electrolytic solutions; specific and molar conductivity and their variation with concentration; Kohlrausch's law and its applications; electrolysis and its laws; dry cell; electrolytic and galvanic cells; lead accumulator; emf; standard electrode potential; Nernst equation; Gibbs energy change and emf; fuel cells; corrosion

III. Chemical Kinetics

7

Chemical Kinetics

Average and instantaneous rate; factors affecting the rate of reaction, including concentration, temperature and catalyst; rate law; rate constant; order and molecularity; integrated rate expressions and derivations for zero-order and first-order reactions; half-life; elementary collision theory; activation energy; Arrhenius equation

IV. d and f-Block Elements

7

d-Block Elements

General introduction, electronic configuration, occurrence and characteristics of transition metals; trends in the first-row transition metals, including metallic character, ionization energy, electrode potential, oxidation states, ionic radii, catalytic properties, coloured ions, complex formation, magnetic properties, interstitial compounds and alloys; preparation and properties of K₂Cr₂O₇ and KMnO₄

Lanthanides

Electronic configuration; oxidation states; chemical reactivity; lanthanide contraction and its consequences

Actinides

Electronic configuration; oxidation states; comparison with lanthanides

V. Co-ordination Compounds

7

Co-ordination Compounds

Ligands; co-ordination number; colour; magnetic properties; shapes; IUPAC nomenclature of mononuclear compounds; Werner's theory; valence bond theory (VBT); crystal field theory (CFT); structural and stereoisomerism; importance in qualitative analysis, extraction of metals and biological systems

VI. Haloalkanes and Haloarenes

6

Haloalkanes

Nomenclature; nature of the C–X bond; physical and chemical properties; mechanism of substitution reactions; stability of carbocations; R-S and D-L configurations

Haloarenes

Nature of the C–X bond; substitution reactions and directive influence of halogens in mono-substituted compounds; uses and environmental effects of dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons and DDT

VII. Alcohols, Phenols and Ethers

6

Alcohols

Nomenclature; preparation; physical and chemical properties of primary alcohols; identification of primary, secondary and tertiary alcohols; mechanism of dehydration; uses; methanol and ethanol

Phenols

Nomenclature; preparation; physical and chemical properties; acidic nature; electrophilic substitution reactions; uses

Ethers

Nomenclature; preparation; physical and chemical properties; uses

VIII. Aldehydes, Ketones and Carboxylic Acids

8

Aldehydes and Ketones

Nomenclature; nature of the carbonyl group; preparation; physical and chemical properties; mechanism of nucleophilic addition to C=O; reactivity of alpha hydrogen; uses

Carboxylic Acids

Nomenclature; acidic nature; preparation; physical and chemical properties; uses

IX. Organic Compounds Containing Nitrogen

6

Amines

Nomenclature; classification; structure; preparation; physical and chemical properties; uses; identification of primary, secondary and tertiary amines

Cyanides and Isocyanides

Structures of cyanide and isocyanide groups; nomenclature; preparation; physical properties; chemical reactions

Diazonium Salts

Preparation; chemical reactions; mechanism of diazotization; importance in synthetic organic chemistry

X. Biomolecules

7

Carbohydrates

Classification into aldoses and ketoses; glucose and fructose, including structure, preparation and reactions; oligosaccharides such as sucrose, lactose and maltose; polysaccharides such as starch, cellulose and glycogen; importance

Proteins

Amino acids; peptide bond; polypeptides; primary, secondary, tertiary and quaternary structures; denaturation; enzymes, lipids and hormones, including their classification and functions

Nucleic Acids

DNA and RNA; purines and pyrimidines; nucleosides; nucleotides; fragments up to four nucleotides

Vitamins

Classification and functions; sources; deficiency diseases

70

Total theory marks

Section

Question Type

Questions

Marks Each

Total Marks

Section A

Objective/MCQ

10

1

10

Section B

Very Short Answer (20 to 30 words)

9

2

18

Section C

Short Answer (100 to 150 words)

9

3

27

Section D

Long Answer (150 to 200 words)

3

5

15

Total

31 Questions

70