ISC Chemistry (Paper 1 — Theory) — Specimen Question Paper 2026
ISC Class XII Board Examination · Chemistry
- Marks
- 70 marks
- Duration
- Not verified
ISC Class XII · ICSE
Chapter-wise questions, previous-year questions and papers for Chemistry at ISC Class XII Board Examination.
Mapped from the published ICSE syllabus and linked back to cisce.org. Question counts are live.
1. Solid State
Crystalline and amorphous solids, unit cells, packing efficiency, density calculations and defects in solids.
2. Solutions
Concentration terms, Raoult's law, ideal and non-ideal solutions, colligative properties, and abnormal molar mass and the van't Hoff factor.
3. Electrochemistry
Conductance, Kohlrausch's law, electrochemical cells, the Nernst equation, and Faraday's laws of electrolysis.
4. Chemical Kinetics
Rate of reaction, order and molecularity, integrated rate equations, half-life, and the Arrhenius equation.
5. Surface Chemistry
Adsorption, catalysis, colloids, the Tyndall effect, Brownian motion and emulsions.
6. General Principles and Processes of Isolation of Elements
Concentration of ores, reduction methods, thermodynamic and electrochemical principles, and refining.
7. p-Block Elements
Groups 15 to 18: trends in properties and the preparation and properties of important compounds.
8. d- and f-Block Elements
Transition elements, variable oxidation states, catalytic behaviour, and the lanthanoids and actinoids.
9. Coordination Compounds
Ligands, coordination number, IUPAC nomenclature, isomerism, Werner's theory, valence bond and crystal field theory.
10. Haloalkanes and Haloarenes
Nomenclature, preparation, properties, and the SN1 and SN2 mechanisms.
11. Alcohols, Phenols and Ethers
Nomenclature, preparation, physical and chemical properties, and the acidity of phenols.
12. Aldehydes, Ketones and Carboxylic Acids
Preparation, nucleophilic addition, the aldol and Cannizzaro reactions, and the acidity of carboxylic acids.
13. Organic Compounds containing Nitrogen
Amines, their basicity, diazonium salts and cyanides and isocyanides.
14. Biomolecules and Polymers
Carbohydrates, proteins, vitamins and nucleic acids, and the classification and preparation of polymers.
Chapter mapping:ISC syllabus (CISCE)
ISC Class XII Board Examination · Chemistry
ISC Class XII Board Examination · Chemistry
Class 12 · Chemistry
Short answer
Class 12 · Chemistry
MCQ
Class 12 · Chemistry
Short answer
Class 12 · Chemistry
Numerical