Tamil Nadu Board of Secondary EducationHSC Science Class 11th
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Chemistry Class 11th HSC Science Tamil Nadu Board of Secondary Education Topics and Syllabus

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Tamil Nadu Board of Secondary Education Syllabus For Class 11th Chemistry: Knowing the Syllabus is very important for the students of Class 11th. Shaalaa has also provided a list of topics that every student needs to understand.

The Tamil Nadu Board of Secondary Education Class 11th Chemistry syllabus for the academic year 2022-2023 is based on the Board's guidelines. Students should read the Class 11th 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 11th Chemistry Syllabus pdf 2022-2023. They will also receive a complete practical syllabus for Class 11th Chemistry in addition to this.

Academic year:

Tamil Nadu Board of Secondary Education Class 11th Chemistry Revised Syllabus

Tamil Nadu Board of Secondary Education Class 11th Chemistry and their Unit wise marks distribution

Tamil Nadu Board of Secondary Education Class 11th Chemistry Course Structure 2022-2023 With Marking Scheme

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Syllabus

1 Basic Concepts of Chemistry and Chemical Calculations
2 Quantum Mechanical Model of Atom
3 Periodic Classification of Elements
4 Hydrogen
  • Hydrogen 
    • Occurrence
    • Position of hydrogen in the periodic table
    • Isotopes of Hydrogen
    • Preparation of dihydrogen
    • Properties of dihydrogen
    • Uses of dihydrogen
  • Preparation of Hydrogen Peroxide 
    • Hydrogen peroxide (H2O2)
    • Preparation of hydrogen peroxide (H2O2)
    1. Merck's. process (Laboratory method)
    2. By the action of sulphuric acid or phosphoric acid on hydrated barium peroxide BaO2.8H2O
    3. Industrial method
    4. By redox process
    • Preparation of Deuterium
    • Electrolysis of heavy water
    • Preparation of Tritium
  • Properties of Hydrogen 
    • Physical Properties
    • Chemical Properties
    • Chemical properties of Deuterium
    • Deuterium exchange reactions
    • Properties of Tritium
  • Uses of Hydrogen Peroxide 
  • Compounds of Hydrogen 
    • Water
    • Physical Properties
    • Chemical Properties
    • Hard and Soft Water
    • Temporary Hardness and its removal
    • Permanent Hardness
  • Heavy Water 
    • Heavy water (D2O)
    • Preparation
    • Properties of heavy water
    • Reactions
    • Uses of heavy water
  • Ozone Layer Depletion 
    • Hydrogen Peroxide 
      • Physical properties
      • Chemical properties
      • Uses of hydrogen peroxide
      • Structure of hydrogen peroxide
  • Hydrides 
    • Hydrides
    • Classification of hydrides
    1. Saline or ionic hydrides
    2. Molecular or covalent hydrides
      a. Electron-rich molecular hydrides
      b. Electron-precise molecular hydrides
      c. Electron-deficient molecular hydrides
    3. Metallic or non-stoichiometric (or interstitial) hydrides
  • Hydrogen Bonding - Introduction 
    • Intramolecular Hydrogen Bond
    • Intermolecular hydrogen bond
5 Alkali and Alkaline Earth Metals
  • Electronic Configurations and Types of Elements 
  • Group 1 Elements - Alkali Metals 
    • Electronic configuration of group 1 elements
    • Occurrence of group 1 elements
    • Atomic and ionic radii of group 1 elements
    • Ionization Enthalpy
    • Electropositive character
    • Electronegativity
    • Hydration Enthalpy
    • Physical properties of group 1 elements
    1. Nature and appearance
    2. Density
    3. Conductivity
    4. Melting and boiling points
    5. Photoelectric effect
    6. Characteristic flame colour
    7. Atomic and physical properties of group 1 elements
    • Chemical Properties - Reactivity towards air, water, dihydrogen, halogens, Reducing nature, Solutions in liquid ammonia
    • Uses of alkali metals: lithium, sodium, potassium
  • General Characteristics of the Compounds of Alkali Metals 
    • Oxides and Hydroxides
    • Properties of oxides and hydroxides
    • Halides
    • Salts of oxo-acids
    • Important compounds of alkali metals
    • Sodium Carbonate Na2CO3.10H2O (Washing soda)
    • Sodium chloride NaCl (Cooking salt or Table salt)
    • Sodium hydroxide
    • Sodium bicarbonate NaHCO3 (Baking soda)
  • Biological Importance of Sodium and Potassium 
  • Group 2 Elements - Alkaline Earth Metals 
    • General characteristics of alkaline earth metals
    • Electronic configuration of group 2 elements
    • Occurrence of group 2 elements
    • Atomic and ionic radii of group 2 elements
    • Ionization enthalpy of group 2 elements
    • Electropositive character
    • Electronegativity
    • Hydration enthalpy
    • Physical properties of group 2 elements
    1. Nature and appearance
    2. Density
    3. Conductivity
    4. Melting and boiling points
    5. Characteristic flame colour
    6. Atomic and physical properties of group 2 elements
    • Chemical Properties - Reactivity towards air and water, halogens, hydrogen, Reducing nature, Covalent and ionic character, Solubility.
    • Distinctive behavior of beryllium 
    • Solutions in liquid ammonia
    • Reducing nature
    • Reactivity towards acids
    • Uses: beryllium, magnesium, calcium, barium, radium
  • Important Compounds of Calcium Quick Lime, Cao 
    • Calcium hydroxide
    • Gypsum (CaSO4.2H2O)
    • Plaster of paris
  • Biological Importance of Magnesium and Calcium 
    • Role of Mg in biological system
    • Role of Ca in biological system
6 Gaseous State
7 Thermodynamics
8 Physical and Chemical Equilibrium
  • Physical and Chemical Equilibrium 
    • Introduction
    • Physical equilibrium
    1. Solid-liquid equilibrium
    2. Liquid - Vapour equilibrium
    3. Solid - Vapour equilibrium
    • Equilibrium involving dissolution of solids or gases in liquids
    1. Solid in liquids
    2. Gas in liquids
  • Introduction of Chemical Equilibrium 
    • Chemical equilibrium
    • Two types of chemical equilibrium
      1) Homogeneous equilibrium
      2) Heterogeneous equilibrium
    • Characteristics of equilibria involving chemical processes
    • Graphical representation of chemical equilibrium
  • Homogeneous and Heterogeneous Equilibria 
    • Homogeneous equilibrium
    • Heterogeneous equilibrium
  • Equilibrium Constants 
    • Equilibrium constants (Kp and Kc)
    • Relation between Kp and Kc
    • Equilibrium constants for heterogeneous equilibrium
  • Applications of Equilibrium Constants 
    • Prediction of the direction of the reaction
    • To know the extent of reaction
    • To calculate equilibrium concentrations
    • Link between chemical equilibrium and chemical kinetics
  • Le-Chatelier's Principle 
    • Effect of concentration
    • Effect of pressure
    • Effect of temperature
    • Effect of a catalyst
    •  Effect of inert gas 
  • Van't Hoff Equation 
9 Solutions
  • Solutions 
    • Introduction
  • Types of Solutions 
    1. Gaseous Solutions
    2. Liquid Solutions
    3. Solid Solutions
  • Expressing Concentration of Solutions 
    • Mass percentage (w/w), Volume percentage (V/V), Mass by volume percentage (w/V), Parts per million, Mole fraction, Molarity, Molality.
    • Standard solutions and working standards
    • Advantages of using standard solutions
  • Solubility of the Solutes 
    • Factors influencing the solubility
    • Nature of solute and solvent
    • Effect of temperature
    1. Solid solute in liquid solvent
    2. Gaseous solute in liquid solvent
    • Effect of pressure
  • Henry's Law 
    • Limitations of Henry’s law
  • Vapour Pressure of Liquid 
  • Vapour Pressure of Liquid Solutions - Introduction 
  • Ideal and Non-ideal Solutions 
    • Ideal Solutions
    • Non-ideal Solutions
    • Non-ideal solutions - positive deviation from Rauolt's Law
    • Non-ideal solutions - negative deviation from Rauolt's Law
    • Factors responsible for deviation from Raoult’s law
    1. Solute-solvent interactions
    2. Dissociation of solute
    3. Association of solute
    4. Temperature
    5. Pressure
    6. Concentration
  • Colligative Properties 
    • Relative lowering of vapour pressure
    • Determination of molar mass from relative lowering of vapour pressure
    • Osmosis and osmotic pressure
    • Isotonic solutions 
  • Reverse Osmosis (RO) 
  • Abnormal Molar Masses 
    • Abnormal molecular masses
      a) Association of solute particles
      b) Dissociation of solute particles
    • Van't Hoff Factor
    • Significance of van't Hoff factor
      a) Degree of dissociation
      b) Degree of association
10 Chemical Bonding
  • Introduction of Chemical Bonding 
    • Chemical bond
    • Causes of chemical combination
      i) Tendency to acquire stability
      ii) Tendency to acquire noble gas configuration
  • Types of Chemical Bonds 
    • Covalent bonds
    • Representing a covalent bond - Lewis structure (Lewis dot structure)
    • Formal charge
    • Lewis structures for exceptions to octet rule
    1. Molecules with electron deficient central atoms
    2. Molecules containing odd electrons 
    3. Molecules with expanded valence shells
  • Ionic or Electrovalent Bond 
    • Ionic bond or Electrovalent bond
    • Mechanism of formation of ionic bond
    • Lattice enthalpy
    • Factors affecting the formation of an ionic bond
      i) Low ionization enthalpy
      ii) High negative electron gain enthalpy
      iii) Large lattice enthalpy
    • Characteristics of ionic or electrovalent compounds
    • Difference between ionic bond and covalent bond
    • Covalent character in ionic bond
    • Fajan's rules
  • Coordinate Covalent Bond 
  • Bond Parameters 
    • Bond Parameters
    • Bond length
    • Bond order
    • Bond angle
    • Bond enthalpy
    • Resonance
  • Valence Shell Electron Pair Repulsion Theory (VSEPR) 
    • VSEPR theory
    • Main postulates of VSEPR theory
    • Geometry of some molecules
    • Geometry of some molecules
    • Steps to predict the molecular geometry using VSEPR theory
  • Valence Bond Theory 
    • Postulates of Valence Bond Theory
    • Interacting forces during covalent bond formation
      i) Force of repulsion
      ii) Force of attraction
    • Formation of hydrogen molecule on the basis of valence bond theory (VBT)
    • Overlap of atomic orbitals
    • Limitation of VBT
  • Valence Bond Theory - Orbital Overlap Concept 
    • Sigma and Pi bonds
    • Formation of hydrogen (H2) Molecule 
    1. Formation of fl uorine molecule (F2)
    2. Formation of HF molecule
    3. Formation of oxygen molecule (O2)
  • Hybridisation 
    • Hybridisation - Introduction 
      • Salient features of hybridisation, Important conditions for hybridisation
      • Types of hybridisation and geometry of molecules
      • Bonding in Ethylene
      • Formation of sigma bond
      • Formation of Pi (π ) bond
      • Bonding in acetylene
  • Molecular Orbital Theory 
    • Formation of molecular orbitals
    • Conditions for the combination of Atomic Orbitals
    • Types of molecular orbitals
    • Energy levels and electronic configuration
    • Key ideas of MO theory
    • MO description of simple diatomic Molecules
11 Fundamentals of Organic Chemistry
  • Introduction to Fundamentals of Organic Chemistry 
    • Characteristics of organic compounds
  • Classification of Organic Compounds 
    • Classification based on carbon skeleton
    • Classification based on functional group
  • Nomenclature of Organic Compounds 
    • Common/trivial names
    • IUPAC Nomenclature
    • IUPAC names of straight-chain alkanes
    • IUPAC names of branched saturated hydrocarbons
    • IUPAC nomenclature of unsaturated hydrocarbons (Alkenes and Alkynes)
    • IUPAC Names of simple monocyclic hydrocarbons
    • IUPAC nomenclature of compounds containing one or more functional groups
    • IUPAC nomenclature of substitued benzene
    1. Monosubstituted benzene
    2. Disubstituted benzene derivatives
    3. Trisubstituted benzene derivatives
  • Structural Representation of Organic Compounds 
    • Molecular models
    • Three dimensional representation of organic molecules
    • Fisher projection formula
    • Sawhorse projection formula
    • Newman projection formula
  • Isomerism in Organic Compounds 
    • Constitutional isomers (Formerly structural isomers)
    1. Chain or nuclear or skeletal isomerism
    2. Position isomerism
    3. Functional isomerism
    4. Metamerism
    5. Tautomerism
    • Stereoisomerism
    • Geometrical isomerism
    • Optical Isomerism
    • Enantiomerism and optical activity
    • Conditions for enantiomerism or optical isomerism
  • Detection of Elements in Organic Compounds 
    • Introduction
    • Detection of carbon and hydrogen
  • Estimation of Elements 
    • Estimation of carbon and hydrogen
    1.  Oxygen supply
    2. Combustion tube
    3. Absorption Apparatus
    • Estimation of halogens: carius method
    • Estimation of phosphorus
    • Estimation of nitrogen
    • Kjeldahls method
  • Methods of Purification of Organic Compounds - Introduction 
    • types (name only), purity, sharp melting point, boiling point
    • Sublimation
    • Crystallization
    • Distillation
    • Steam distillation
    • Azeotropic Distillation
    • Differential extraction
    • Chromatography
12 Basic Concept of Organic Reactions
  • Basic Concept of Organic Reactions 
    • Fundamental concepts in organic reaction mechanism
    • Fission of a covalent bond
    • Homolytic Cleavage
    • Heterolytic Cleavage
    • Hybridisation of carbon in carbocation
    • Nucleophiles and elctrophiles
    • Electron movement in organic reactions
    • Electron displacement effects in co-valent bonds
  • Different Types of Organic Reactions 
    • Substitution reaction (Displacement reaction)
    • Addition reactions
    • Functional Group inter conversion
13 Hydrocarbons
  • Introduction and Classification of Alkanes 
  • Alkanes 
    • Isomerism in alkanes
    • Conformations in alkanes
    • Industrial preparation of alkanes
    • Physical properties of alkanes
    • Chemical properties of alkanes
    • Uses of alkanes
  • Alkenes 
    • Isomerism in alkenes
    • Preparation of alkenes
    • Physical properties of alkenes
    • Chemical properties of alkenes
    • Uses of alkenes
  • Alkynes 
    • Isomerism in alkynes
    • Preparation of alkynes
    • Physical properties of alkynes
    • Chemical properties of alkynes
    • Uses of acetylene
  • Aromatic Hydrocarbons 
    • Benzene
    • Structure of benzene
    • Aromatic character (Huckel Rule)
    • Preparation of aromatic compounds
    • Physical properties of benzene
    • Chemical properties of benzene
    • Directive influence of a functional group in monosubstituted benzene
    • Carcinogenicity and Toxicity
14 Haloalkanes and Haloarenes
15 Environmental Chemistry

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