Chemistry – 306
For the Year 2025
Syllabus for NCET
2025
Note:
There will be one Question Paper which will have 28 questions out of which 25 questions need to be
attempted.
Unit I: Solutions
Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gases in
liquids, solid solutions, Raoult's law, 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 II: Electrochemistry
Redox reactions, EMF of a cell, standard electrode potential, Nernst equation and its application to
chemical cells, 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 and law of electrolysis (elementary idea), dry cell-electrolytic cells and Galvanic cells,
lead accumulator, fuel cells, corrosion.
Unit III: Chemical Kinetics
Rate of a reaction (Average and instantaneous), factors affecting rate of reaction: concentration,
temperature, catalyst; order and molecularity of a reaction, rate law and specific rate constant, integrated
rate equations and half-life (only for zero and first order reactions), concept of collision theory (elementary
idea, no mathematical treatment), activation energy, Arrhenius equation.
Unit IV: d and f Block Elements
General introduction, electronic configuration, occurrence and characteristics of transition metals, general
trends in properties of the first-row transition metals – metallic character, ionization enthalpy, oxidation
states, ionic radii, colour, catalytic property, magnetic properties, interstitial compounds, alloy formation,
preparation and properties of K2Cr2O7 and KMnO4. Lanthanoids - Electronic configuration, oxidation
states, chemical reactivity, and lanthanoid contraction and its consequences. Actinoids - Electronic
configuration, oxidation states, and comparison with lanthanoids.
Unit V: Coordination Compounds
Coordination compounds - Introduction, ligands, coordination number, colour, magnetic properties and
shapes, IUPAC nomenclature of mononuclear coordination compounds. Bonding, Werner's theory, VBT,
and CFT; structure and stereoisomerism, importance of coordination compounds (in qualitative analysis,
extraction of metals and biological system).
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Unit VI: Haloalkanes and Haloarenes
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 only). Uses and environmental effects of - dichloromethane,
trichloromethane, tetrachloromethane, iodoform, freons, DDT.
Unit VII: Alcohols, Phenols and Ethers
Alcohols: Nomenclature, methods of preparation, physical and chemical properties (of primary alcohols
only), identification of primary, secondary, and tertiary alcohols, mechanism of dehydration, and uses
with special reference to methanol and ethanol. Phenols: Nomenclature, methods of preparation, physical
and chemical properties, acidic nature of phenol, electrophilic substitution reactions, uses of phenols.
Ethers: Nomenclature, methods of preparation, physical and chemical properties, uses.
Unit VIII: Aldehydes, Ketones and Carboxylic Acids
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 IX: Amines
Amines: Nomenclature, classification, structure, methods of preparation, physical and chemical
properties, uses, and identification of primary, secondary, and tertiary amines. Diazonium salts:
Preparation, chemical reactions and importance in synthetic organic chemistry.
Unit X: Biomolecules
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 bonds, polypeptides,
proteins, structure of proteins - primary, secondary, tertiary structure and quaternary structures (qualitative
idea only), denaturation of proteins; enzymes. Hormones - Elementary idea excluding structure. Vitamins
- Classification and functions. Nucleic Acids: DNA and RNA
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