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CBSE Class 11 and Class 12 Chemistry — 19 chapters and 115 topics, ranked by what the paper actually rewards.
Class 11 Chemistry
Class 11 is examined by your school, not by CBSE — these are school annual paper chapters.
7 marks
Some Basic Concepts of Chemistry
- Mole concept
- Stoichiometry and limiting reagent
- Concentration terms
- Empirical and molecular formula
- Significant figures
- Laws of chemical combination
9 marks
Structure of Atom
- Bohr model and limitations
- Quantum numbers
- Aufbau, Pauli, Hund
- Photoelectric effect
- de Broglie and Heisenberg
- Shapes of orbitals
9 marks
Chemical Bonding and Molecular Structure
- Lewis structures and formal charge
- VSEPR and shapes
- Valence bond and hybridisation
- Molecular orbital theory
- Hydrogen bonding
- Bond parameters
7 marks
Chemical Thermodynamics
- System and state functions
- First law and enthalpy
- Hess’s law
- Enthalpies of reaction
- Entropy and spontaneity
- Gibbs energy
9 marks
Equilibrium
- Law of mass action, Kc and Kp
- Le Chatelier principle
- Ionic equilibrium
- pH and buffers
- Solubility product
- Common ion effect
6 marks
Classification of Elements and Periodicity
- Modern periodic law
- Atomic and ionic radii
- Ionisation enthalpy
- Electron gain enthalpy
- Electronegativity
- Anomalous properties
4 marks
Redox Reactions
- Oxidation number rules
- Balancing by ion-electron method
- Types of redox reactions
- Redox titrations
8 marks
Organic Chemistry: Basic Principles
- IUPAC nomenclature
- Electronic effects
- Reaction intermediates
- Isomerism
- Purification and detection
8 marks
Hydrocarbons
- Alkanes and conformations
- Alkenes and Markovnikov
- Alkynes and acidity
- Aromaticity and Huckel rule
- Electrophilic substitution
- Directive influence
Class 12 Chemistry
Class 12 chapters, as they appear in the CBSE board paper.
9 marks
Electrochemistry
- Electrochemical cells and EMF
- Nernst equation
- Gibbs energy and K
- Conductance and molar conductivity
- Kohlrausch law
- Electrolysis and Faraday laws
- Batteries and corrosion
8 marks
Aldehydes, Ketones and Carboxylic Acids
- Nomenclature and structure
- Preparation methods
- Nucleophilic addition
- Aldol condensation
- Cannizzaro reaction
- Distinguishing tests
- Acidity of carboxylic acids
7 marks
Coordination Compounds
- Werner theory and terms
- IUPAC nomenclature
- Isomerism in complexes
- Valence bond theory
- Crystal field theory
- Magnetic behaviour and colour
- Metal carbonyls
- Applications
7 marks
Solutions
- Concentration terms
- Raoult’s law and deviations
- Colligative properties
- Van’t Hoff factor
- Henry’s law
- Osmotic pressure
7 marks
Chemical Kinetics
- Rate and rate law
- Order and molecularity
- Integrated rate equations
- Half-life
- Arrhenius and temperature
- Collision theory
7 marks
d- and f-Block Elements
- General trends
- Variable oxidation states
- Magnetic properties and colour
- KMnO₄ and K₂Cr₂O₇
- Lanthanoid contraction
- Actinoids
6 marks
Haloalkanes and Haloarenes
- Nomenclature and classification
- Preparation methods
- SN1 and SN2
- Elimination reactions
- Optical activity
- Haloarene reactivity
6 marks
Alcohols, Phenols and Ethers
- Preparation of alcohols
- Acidity of phenols
- Reactions of phenol
- Dehydration of alcohols
- Williamson synthesis
- Distinguishing tests
6 marks
Amines
- Classification and nomenclature
- Preparation of amines
- Basicity of amines
- Diazonium salts
- Distinguishing 1° 2° 3°
- Hoffmann bromamide
7 marks
Biomolecules
- Carbohydrate classification
- Glucose structure and reactions
- Proteins and structure
- Enzymes
- Vitamins
- Nucleic acids
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