5.1 Some Basic Concepts – Properties of matter – uncertainty in

    Measurement-significant figures, dimensional analysis.

5.2 Laws of Chemical Combinations – Law of Conservation of

    Mass, Law of Definite Proportions, Law of Multiple

    Proportions, Gay Lussac’s Law of Gaseous Volumes,

    Dalton’s Atomic Theory, Avogadro Law, Principles,

    Examples.

5.3 Atomic and molecular masses- mole concept and molar

    mass concept of equivalent weight.

5.4 Percentage composition of compounds and calculations of

    empirical and molecular formulae of compounds.

5.5 Stoichiometry and stoichiometric calculations.

5.6 Methods of Expressing concentrations of solutions-mass

    percent, mole fraction, molarity, molality and normality.

5.7 Redox reactions-classical idea of redox reactions, oxidation

    and reduction reactions-redox reactions in terms of

    electron transfer.

5.8 Oxidation number concept.

5.9 Types of Redox reactions-combination, decomposition,

    displacement. and disproportionation reactions

5.10 Balancing of redox reactions – oxidation number method

    Half reaction (ion-electron) method.

5.11 Redox reactions in Titrimetry.