Chemistry 12 Chemistry 12

UNIT I: Solid State
  • Classification of solids
  • crystal lattice and unit cell
  • packing in solids
  • voids
  • calculations involving unit cell dimensions
  • imperfections in solids
  • electrical
  • magnetic and dielectric properties
UNIT II: Solutions
  • Types of solutions
  • expressions of concentration of solutions of solids in liquids
  • solubility of gases in liquids
  • solid solutions
  • van’t Hoff factor
UNIT III: Electrochemistry
  • cell reactions
  • measurement of EMF of a cell
  • conductance of electrolytic solutions
  • Faraday’s laws of electrolysis
  • conductivity cells
  • batteries
UNIT IV: Chemical Kinetics
  • their experimental determination
  • integrated rate equations
  • half-life (only for zero and first-order reactions)
  • concept of collision theory
UNIT V: Surface Chemistry
  • Adsorption
  • physisorption and chemisorption
  • factors affecting adsorption of gases on solids
  • catalysis
  • homogeneous and heterogeneous activity and selectivity
  • enzyme catalysis
  • colloidal state
  • distinction between true solutions
  • colloids and suspension
  • properties of colloids
  • Tyndall effect
  • Brownian movement
  • electrophoresis
  • coagulation
UNIT VI: General Principles and Processes of Isolation of Elements
  • Principles and methods of extraction - concentration
  • oxidation
  • reduction - electrolytic method and refining; occurrence and principles of extraction of aluminum
  • copper, zinc, iron, lead, and magnesium
UNIT VII: p-Block Elements
  • Group 15 elements: General introduction
  • electronic configuration
  • occurrence
  • oxidation states
  • trends in physical and chemical properties; nitrogen
  • preparation and properties of ammonia and nitric acid
  • oxides of nitrogen (structure only); Phosphorus - allotropic forms
  • compounds of phosphorus
  • preparation and properties of phosphine
  • halides (PCl3, PCl5) and oxoacids (elementary idea only)
UNIT VIII: d and f Block Elements
  • Characteristics of transition metals
  • general trends in properties of the first-row transition metals - metallic character
  • ionization enthalpy
  • oxidation states
  • catalytic property
  • interstitial compounds
  • alloy formation
UNIT IX: Coordination Compounds
  • Coordination compounds: Introduction
  • colour
  • magnetic properties and shapes
  • bonding
  • VBT
  • CFT; structure and stereoisomerism
  • biological importance of coordination compounds (metalloproteins and hemoglobin,electronic spectra of metal complexes)
UNIT X: Haloalkanes and Haloarenes
  • physical and chemical properties
  • mechanism of substitution reactions
  • optical rotation
  • substitution reactions (directive influence of halogen in monosubstituted compounds only)
  • uses and environmental effects of dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DDT
UNIT XI: Alcohols, Phenols, and Ethers
  • Nomenclature
  • physical and chemical properties (of primary alcohols only)
  • identification of primary
  • secondary and tertiary alcohols
  • mechanism of dehydration
  • uses with special reference to methanol and ethanol
  • Nomenclature
  • physical and chemical properties
  • acidic nature of phenol
  • electrophilic substitution reactions
  • Nomenclature
  • physical and chemical properties
UNIT XII: Organic Compounds Containing Nitrogen
  • Classification
  • structure
  • methods of preparation
  • physical and chemical properties, uses
  • identification of primary
  • secondary and tertiary amines
  • Cyanides and Isocyanides: Nomenclature
  • methods of preparation
  • physical and chemical properties, uses
  • Preparation, chemical reactions and importance in synthetic organic chemistry
UNIT XIII: Biomolecules
  • Classification (aldoses and ketoses)
  • monosaccharides (glucose and fructose)
  • oligosaccharides (sucrose, lactose, maltose)
  • polysaccharides (starch, cellulose, glycogen)
  • importance of carbohydrates
  • Elementary idea of a-amino acids
  • proteins
  • primary
  • secondary
  • tertiary and quaternary structure of proteins (qualitative idea only)
  • denaturation of proteins
  • co-enzymes
  • their mechanism of action
  • activation energy
  • enzyme cofactors
  • enzyme inhibition
  • isozymes
  • Classification and functions
  • replication
  • transcription
  • genetic code
  • gene expression and regulation
UNIT XIV: Polymers
  • Classification: Natural and synthetic
  • methods of polymerization (addition and condensation)
  • copolymerization
  • some important polymers: natural rubber, cellulose, nylon, teflon, polythene, bakelite, PVC
UNIT XV: Chemistry in Everyday Life
  • Chemicals in medicines - analgesics
  • tranquilizers
  • antiseptics
  • disinfectants
  • antimicrobials
  • antifertility drugs
  • antibiotics
  • antacids
  • antihistamines
  • chemical in food - preservatives
  • artificial sweetening agents
  • elementary idea of antioxidants
  • cleansing agents - soaps and detergents
  • cleansing action
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