Chemistry 11 Chemistry 11

UNIT I: SOME BASIC CONCEPTS OF CHEMISTRY
  • element and compound: Laws of chemical combination
  • atomic and molecular masses
  • mole concept
  • molar mass
  • percentage composition
  • empirical and molecular formulae
  • chemical equations and stoichiometry
UNIT II: STATES OF MATTER: GASES AND LIQUIDS
  • Three states of matter
  • Intermolecular interactions
  • type of bonding
  • Role of gas laws in elucidating the concept of the molecule
  • Boyle’s law
  • Charles law
  • Gay Lussac’s law
  • Ideal behaviour
  • empirical derivation of gas equation
  • Ideal gas equation
  • Deviation from ideal behaviour
  • liquefaction of gases
  • Critical temperature
  • Kinetic energy and molecular speeds (elementary idea) Liquid State – Vapour pressure
  • viscosity and surface tension (qualitative idea only
  • no mathematical derivations)
UNIT IV: PERIODIC TABLE
  • Significance of classification
  • brief history of the development of periodic table
  • modern periodic law and present form of periodic table
  • periodic trends in properties of elements atomic radii
  • ionic radii
  • Inert gas radii nomenclature of elements with atomic number greater than 100
  • Enthalpy: Explanation and definition of term
  • Ionization enthalpy
  • electron gain enthalpy
  • electronegativity
  • valence
UNIT VII: SURFACE CHEMISTRY
  • Adsorption – physisorption and chemisorption
  • factors affecting adsorption of gases on solids
  • catalysis: homogenous and heterogeneous
  • activity and selectivity: enzyme catalysis
  • colloidal state: distinction between true solutions
  • colloids and suspensions
  • Lyophilic
  • Lyophobic
  • multimolecular and macromolecular colloids
  • properties of colloids
  • Tyndall effect
  • Brownian movement
  • electrophoresis
  • coagulation
  • emulsion – types of emulsions
  • Elementary idea of nanomaterials
UNIT VIII: NATURE OF CHEMICAL BOND
  • Valence electrons
  • ionic bond
  • Born Haber cycle: covalent bond parameters
  • Lewis structure
  • polar character of covalent bond
  • covalent character of ionic bond
  • valence bond theory
  • geometry of covalent molecules
  • VSEPR theory
  • shapes of some simple molecules
  • molecular orbital theory of homonuclear diatomic molecules (qualitative idea only)
  • hydrogen bond
UNIT IX: HYDROGEN
  • Position of hydrogen in periodic table
  • occurrence
  • isotopes
  • preparation
  • properties and uses of hydrogen
  • hydridesionic
  • covalent and interstitial
  • physical and chemical properties of water
  • heavy water
  • Hydrogen peroxide- preparation
  • properties and structure
  • hydrogen as a fuel
  • Uses of hydrogen peroxide
UNIT X: s-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS)
  • Group 1 and Group 2 elements : General introduction
  • electronic configuration
  • occurrence
  • anomalous properties of the first element of each group
  • diagonal relationship
  • trends in the variation of properties (such as ionization enthalpy atomic and ionic radii)
  • trends in chemical reactivity with oxygen water
  • hydrogen and halogens; uses. Preparation and properties of some important compounds: Sodium carbonate
  • sodium hydroxide and sodium hydrogen carbonate
  • biological importance of sodium and potassium
  • Calcium oxide and calcium carbonate and industrial uses of lime and limestone
  • biological importance of Magnesium and Calcium
UNIT XI: p-BLOCK ELEMENTS
  • Group Introduction to p-Block elements Group 13 elements: General introduction
  • electronic configuration
  • occurrence
  • Variation of properties
  • oxidation states
  • trends in chemical reactivity
  • anomalous properties of first element of the group
  • Boronphysical and chemical properties
  • some important compounds: borax
  • boric acids
  • boron hydrides
  • Aluminium; uses
  • reactions with acids and alkalies
  • Group 14 elements: General introduction
  • electronic configuration
  • occurrence
  • variation of properties
  • oxidation states
  • trends in chemical reactivity
  • anomalous behavior of first element. Carbon – catenation
  • allotropic forms
  • physical and chemical properties; uses of some important compounds; oxides
  • Important compounds of silicon and their uses: silicon tetrachloride
  • silicones
  • silicates and zeolites and structure of silicates
UNIT XIII: ALKANES
  • Classification of hydrocarbons – Nomenclature
  • isomerism
  • conformations (ethane only)
  • physical properties
  • chemical reactions including free radical mechanism of halogenation
  • combustion and pyrolysis
UNIT XIV: ALKENES
  • Nomenclature
  • structure of double bond (ethane)
  • geometrical isomerism
  • physical properties
  • methods of preparation. Chemical reactions; addition of hydrogen
  • halogen water
  • hydrogen halides (Markovnikoff’s addition and peroxide effect) ozonolysis
  • oxidation
  • mechanism of electrophilic addition
UNIT XV: ALKYNES
  • Nomenclature
  • structure of triple bond (ethylene)
  • physical properties. Methods of preparation
  • chemical reactions: acidic character of alkynes
  • addition reaction of – hydrogen
  • halogens
  • hydrogen halides
  • Water
UNIT XVI: AROMATIC COMPOUNDS
  • Introduction
  • IUPAC nomenclature
  • benzene
  • resonance aromaticity
  • chemical properties
  • mechanism of electrophilic substitution. – nitration
  • sulphonaiton
  • halogenation
  • Friedel Craft alkylation and acylation
  • Carcinogenicity and toxicity
UNIT XVII: Environmental chemistry
  • Environmental pollution- air
  • water and soil pollution
  • chemical reactions in atmosphere
  • smog
  • major atmospheric pollutants
  • acid rain
  • ozone and its reactions
  • effects of depletion of ozone layer
  • green house effect and global warming
  • Pollution due to industrial wastes
  • green chemistry as an alternative tool for reducing pollution
  • strategy for control of environmental pollution