Unit I: Some Basic Concepts of Chemistry (12 Periods)
- General Introduction: Importance and scope of Chemistry.
- Nature of Matter: Laws of chemical combination, Dalton’s atomic theory; concepts of elements, atoms, and molecules.
- Atomic and Molecular Masses: Mole concept and molar mass; percentage composition.
- Empirical and Molecular Formula: Chemical reactions, stoichiometry, and calculations based on stoichiometry.
Unit II: Structure of Atom (14 Periods)
- Discovery of Subatomic Particles: Electron, proton, neutron; atomic number, isotopes, and isobars.
- Atomic Models: Thomson’s model and limitations; Rutherford’s model and limitations; Bohr’s model and limitations.
- Concepts: Shells and subshells; dual nature of matter and light; de Broglie’s relationship; Heisenberg uncertainty principle.
- Quantum Mechanics: Concept of orbitals, quantum numbers; shapes of s, p, and d orbitals.
- Electron Configuration: Rules for filling electrons in orbitals (Aufbau principle, Pauli’s exclusion principle, Hund’s rule); stability of half-filled and completely filled orbitals.
Unit III: Classification of Elements and Periodicity in Properties (08 Periods)
- Significance of Classification: Brief history of the development of the periodic table.
- Modern Periodic Law: Present form of the periodic table; periodic trends in properties of elements:
- Atomic radii
- Ionic radii
- Inert gas radii
- Ionization enthalpy
- Electron gain enthalpy
- Electronegativity
- Valency
- Nomenclature: Elements with atomic numbers greater than 100.
Unit IV: Chemical Bonding and Molecular Structure (14 Periods)
- Valence Electrons: Ionic bond, covalent bond, bond parameters, Lewis structure.
- Covalent Bond: Polar character; covalent character of ionic bond.
- Valence Bond Theory: Resonance; geometry of covalent molecules; VSEPR theory.
- Hybridization: Concept involving s, p, and d orbitals; shapes of simple molecules.
- Molecular Orbital Theory: Qualitative idea of homonuclear diatomic molecules; hydrogen bond.
Unit V: Chemical Thermodynamics (16 Periods)
- Concepts: System and types of systems; surroundings; work, heat, energy; extensive and intensive properties; state functions.
- First Law of Thermodynamics: Internal energy and enthalpy; heat capacity and specific heat.
- Measurements: Measurement of U and H; Hess’s law of constant heat summation.
- Enthalpy Changes: Bond dissociation, combustion, formation, atomization, sublimation, phase transition, ionization, solution, and dilution.
- Second Law of Thermodynamics: Brief introduction; entropy as a state function; Gibbs energy change for spontaneous and non-spontaneous processes; criteria for equilibrium.
- Third Law of Thermodynamics: Brief introduction.
Unit VI: Equilibrium (14 Periods)
- Equilibrium in Processes: Physical and chemical processes; dynamic nature of equilibrium.
- Law of Mass Action: Equilibrium constant; factors affecting equilibrium – Le Chatelier’s principle.
- Ionic Equilibrium: Ionization of acids and bases; strong and weak electrolytes; degree of ionization; ionization of polybasic acids; acid strength; concept of pH.
- Hydrolysis of Salts: Elementary idea; buffer solutions; Henderson Equation; solubility product; common ion effect (with illustrative examples).
Unit VII: Redox Reactions (06 Periods)
- Concepts: Oxidation and reduction; redox reactions; oxidation number.
- Balancing Redox Reactions: In terms of loss and gain of electrons; change in oxidation number.
- Applications: Applications of redox reactions.
Unit VIII: Organic Chemistry – Some Basic Principles and Techniques (14 Periods)
- General Introduction: Methods of purification; qualitative and quantitative analysis.
- Classification and Nomenclature: IUPAC nomenclature of organic compounds.
- Electronic Displacements: Inductive effect, electromeric effect, resonance, and hyperconjugation.
- Fission of Covalent Bonds: Homolytic and heterolytic fission; free radicals; carbocations; carbanions; electrophiles and nucleophiles.
- Types of Organic Reactions: Overview of organic reaction types.
Unit IX: Hydrocarbons (12 Periods)
- Classification of Hydrocarbons:
- Aliphatic Hydrocarbons:
- Alkanes: Nomenclature, isomerism, conformation (ethane only), physical properties, chemical reactions including free radical mechanism of halogenation, combustion, and pyrolysis.
- Alkenes: Nomenclature, structure of double bond (ethene), geometrical isomerism, physical properties, methods of preparation, chemical reactions (addition of hydrogen, halogen, water, hydrogen halides, ozonolysis, oxidation).
- Alkynes: Nomenclature, structure of triple bond (ethyne), physical properties, methods of preparation, chemical reactions (acidic character, addition reactions).
- Aromatic Hydrocarbons: Introduction, IUPAC nomenclature, benzene (resonance, aromaticity), chemical properties (mechanism of electrophilic substitution: nitration, sulphonation, halogenation, Friedel-Craft’s alkylation and acylation, directive influence of functional groups in monosubstituted benzene).
- Carcinogenicity and Toxicity.
- Aliphatic Hydrocarbons:
PART-2
Unit II: Solutions (10 Periods)
- Types of Solutions: Expression of concentration of solutions of solids in liquids.
- Solubility: Solubility of gases in liquids; solid solutions.
- Raoult’s Law: Introduction and applications.
- Colligative Properties:
- Relative lowering of vapour pressure.
- Elevation of boiling point.
- Depression of freezing point.
- Osmotic pressure.
- Determination of Molecular Masses: Using colligative properties; abnormal molecular mass; Van’t Hoff factor.
Unit III: Electrochemistry (12 Periods)
- Redox Reactions: Basics and significance.
- Electromotive Force (EMF): EMF of a cell; standard electrode potential.
- Nernst Equation: Application to chemical cells.
- Gibbs Energy and EMF: Relation between Gibbs energy change and EMF of a cell.
- Conductance in Electrolytic Solutions: Specific and molar conductivity; variations of conductivity with concentration; Kohlrausch’s Law.
- Electrolysis: Introduction and law of electrolysis (elementary idea).
- Electrolytic Cells: Dry cells, Galvanic cells, lead accumulator, fuel cells, corrosion.
Unit IV: Chemical Kinetics (10 Periods)
- Rate of Reaction: Average and instantaneous rates.
- Factors Affecting Rate: Concentration, temperature, catalyst.
- Order and Molecularity: Definition and distinction; rate law and specific rate constant.
- Integrated Rate Equations: Half-life (only for zero and first-order reactions).
- Collision Theory: Concept (elementary idea, no mathematical treatment).
- Activation Energy: Arrhenius equation.
Unit VIII: d and f Block Elements (12 Periods)
- General Introduction: Electronic configuration; occurrence and characteristics of transition metals.
- Trends in Properties: First row transition metals – metallic character, ionization enthalpy, oxidation states, ionic radii, color, catalytic property, magnetic properties, interstitial compounds, alloy formation.
- Preparation and Properties: K₂Cr₂O₇ and KMnO₄.
- Lanthanoids: Electronic configuration, oxidation states, chemical reactivity, lanthanoid contraction and its consequences.
- Actinoids: Electronic configuration, oxidation states, comparison with lanthanoids.
Unit IX: Coordination Compounds (12 Periods)
- Introduction: Coordination compounds, ligands, coordination number.
- Properties: Color, magnetic properties, and shapes.
- IUPAC Nomenclature: Mononuclear coordination compounds.
- Bonding Theories: Werner’s theory, VBT, and CFT.
- Structure and Stereoisomerism: Importance of coordination compounds (in qualitative analysis, extraction of metals, and biological systems).
Unit X: Haloalkanes and Haloarenes (10 Periods)
- Haloalkanes: Nomenclature, nature of C–X bond, physical and chemical properties, optical rotation, mechanism of substitution reactions.
- Haloarenes: Nature of C–X bond, substitution reactions (directive influence of halogen in monosubstituted compounds).
- Uses and Environmental Effects: Of dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DDT.
Unit XI: Alcohols, Phenols and Ethers (10 Periods)
- Alcohols: Nomenclature, methods of preparation, physical and chemical properties (of primary alcohols only), identification of primary, secondary, and tertiary alcohols, mechanism of dehydration, uses (special reference to methanol and ethanol).
- Phenols: Nomenclature, methods of preparation, physical and chemical properties, acidic nature, electrophilic substitution reactions, uses of phenols.
- Ethers: Nomenclature, methods of preparation, physical and chemical properties, uses.
Unit XII: Aldehydes, Ketones and Carboxylic Acids (10 Periods)
- Aldehydes and Ketones: Nomenclature, nature of carbonyl group, methods of preparation, physical and chemical properties, mechanism of nucleophilic addition, reactivity of alpha hydrogen in aldehydes, uses.
- Carboxylic Acids: Nomenclature, acidic nature, methods of preparation, physical and chemical properties; uses.
Unit XIII: Amines (10 Periods)
- Amines: Nomenclature, classification, structure, methods of preparation, physical and chemical properties, uses, identification of primary, secondary, and tertiary amines.
- Diazonium Salts: Preparation, chemical reactions, and importance in synthetic organic chemistry.
Unit XIV: Biomolecules (12 Periods)
- Carbohydrates: Classification (aldoses and ketoses), monosaccharides (glucose and fructose), D-L configuration, oligosaccharides (sucrose, lactose, maltose), polysaccharides (starch, cellulose, glycogen); importance of carbohydrates.
- Proteins: Elementary idea of amino acids, peptide bond, polypeptides, proteins; structure of proteins (primary, secondary, tertiary, and quaternary structures – qualitative idea only); denaturation of proteins; enzymes.
- Hormones: Elementary idea excluding structure.
- Vitamins: Classification and functions.
- Nucleic Acids: DNA and RNA.