Tamil Nadu Board of Secondary EducationHSC Science Class 12th
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Chemistry Class 12th HSC Science Tamil Nadu Board of Secondary Education Topics and Syllabus

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Tamil Nadu Board of Secondary Education Syllabus For Class 12th Chemistry: Knowing the Syllabus is very important for the students of Class 12th. Shaalaa has also provided a list of topics that every student needs to understand.

The Tamil Nadu Board of Secondary Education Class 12th Chemistry syllabus for the academic year 2021-2022 is based on the Board's guidelines. Students should read the Class 12th Chemistry Syllabus to learn about the subject's subjects and subtopics.

Students will discover the unit names, chapters under each unit, and subtopics under each chapter in the Tamil Nadu Board of Secondary Education Class 12th Chemistry Syllabus pdf 2021-2022. They will also receive a complete practical syllabus for Class 12th Chemistry in addition to this.

Academic year:

Tamil Nadu Board of Secondary Education Class 12th Chemistry Revised Syllabus

Tamil Nadu Board of Secondary Education Class 12th Chemistry and their Unit wise marks distribution

Tamil Nadu Board of Secondary Education Class 12th Chemistry Course Structure 2021-2022 With Marking Scheme

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1 Metallurgy
2 p-block Elements-I
  • General Trends in Properties of p-block Elements 
    • Electronic configuration and oxidation state
    • Metallic nature
    • Ionisation Enthalpy
    • Electronegativity
    • Anomalous properties o f the first elements:
    • Inert pair effect
    • Allotropism in p-block elements
  • Group 13 (Boron Group) Elements 
    • Occurrence
    • Physical properties
    • Chemical properties of boron
    • Borax [Na2B4O7.10H2O]
    • Boric acid [H3BO3 or B(OH)3]
    • Diborane
    • Boron trifluoride
    • Aluminium chloride
    • Alums
  • Group 14 (Carbon Group) Elements 
    • Occurrence
    • Physical properties
    • Tendency for catenation
    • Allotropes of carbon
    • Carbon monoxide [CO]
    • Carbon dioxide
    • Silicon tetrachloride
    • Silcones
    • Silicates
3 p-block Elements - II
4 Transition and Inner Transition Elements
5 Coordination Chemistry
6 Solid State
7 Chemical Kinetics
8 Ionic Equilibrium
  • Acids and Bases 
    • Arrhenius theory of acids and bases
    • Bronsted - Lowry theory 
    • Lewis theory
  • Strength of Acids and Bases 
  • Ionisation of Water 
  • The pH Scale 
    • Relationship between pH and pOH
    • Acidity, basicity and neutrality of aqueous solutions
  • Ionisation of Weak Acids 
    • Ostwald’s dilution law
  • Common Ion Effect 

    Common ion effect and solubility

  • Buffer Solutions 
    • Types of buffer solutions
    • Buffer action
    • Properties of buffer solution
    • Applications of buffer solution
    1. In biochemical system
    2. Agriculture
    3. Industry
    4. Medicine
    5. Analytical chemistry
  • Ionic Equilibria 
    • Salt Hydrolysis 
      • Salts of strong acid and a strong base
      • Hydrolysis of Salt of strong base and weak acid (Anionic Hydrolysis)
      • Hydrolysis of salt of strong acid and weak base (Cationic Hydrolysis)
      • Hydrolysis of Salt of weak acid and weak base (Anionic & Cationic Hydrolysis)
  • Solubility Product 
    • Solubility product 
      • Solubility equilibria
      • Relationship between solubility and solubility product
      • Condition of precipitation
      • Determination of solubility product from molar solubility 
9 Electro Chemistry
10 Surface Chemistry
11 Hydroxy Compounds and Ethers
12 Carbonyl Compounds and Carboxylic Acids
13 Organic Nitrogen Compounds
  • Nitro Compounds 
    • Classification of nitrocompounds
    • Nomenclature of nitroalkanes
    • Acidic nature of nitro alkanes
    • Preparation of nitroalkanes
    • Preparation of Nitroarenes
    • Physical properties of nitro alkane 
    • Chemical properties of nitroalkanes 
  • Classification of Amines 
  • Introduction of Diazonium Salts 
    • Introduction
    • Resonance structure 
    • Method of preparation of Diazonium salts
    • Physical properties 
    • Chemical reactions
    1. Replacement reactions involving loss of nitrogen 
    2. Reactions involving retention of diazo group
  • Cyanides and Isocyanides 
    • Introduction 
    • Methods of preparation of cyanides 
    • Properties Of Cyanides
    • Chemical properties
    • Alkyl Isocyanides (Carbylamines) 
    • Methods of preparation of isocyanides
    • Properties of isocyanides
    • Chemical properties 
    • Uses of organic nitrogen compounds
14 Biomolecules
  • Biomolecules in the Cell 
    • Carbohydrates 
      • Types of Carbohydrates based on sugar unit
      1. Monosaccharides
      2. Oligosaccharides
        a. Disaccharides
        b. Trisaccharides
        c. Tetrasaccharides
      3. Polysaccharides 
      • Biological significance of Carbohydrates
      • Nomenclature of monosaccharides
      • Glucose
      • Structure and properties of glucose
      • Optical isomerism in glucose
      • Ring structure of glucose
      • Reducing nature of glucose
      • Representation of Fructose structure
    • Proteins 
      • Classification of proteins
      1. Simple proteins
      2. Conjugated proteins
      3. Derived proteins
      • ∝-Amino acids
      • Peptide bond and protein
      • Types of proteins
      • Structure of proteins
      • Denaturation of proteins
      • Enzymes
    • Lipids 
      • Lipids
      1. Saturated fatty acids
      2. Unsaturated Fatty Acids 
      • Simple Lipids
      • Compound lipids
      • Sterols 
    • Nucleic Acids 
      • Nucleotides
      • Structure of DNA
      • Ribonucleic Acid (RNA)
      • DNA double helix
  • Introduction of Vitamins 
    • Classification of vitamins 
  • Hormones 
    • Properties of Hormones
    • Mechanism of hormone action
    1. Mode of hormone action through membrane receptors
    2.  Mode of action through intracellular receptors
15 Chemistry in Everyday Life
  • Drug 
    • Classification of drugs
    • Drug–target Interaction
  • Food Additives 
    • Important categories of food additives
    • Preservatives
    • Antioxidants
    • Sugar Substituents
    • Artificial sweetening agents
  • Cleansing Agents 
    • Types of cleansing agents
      a) Soaps
      b) Synthetic detergents
    • Mechanism of cleansing action
  • Introduction of Polymers 
    • Classification of Polymers
    • Types of polymerisation
    • Preparation of some important addition polymers 
    • Co-polymers
    • Natural and Synthetic rubbers
    • Biodegradable Polymers
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