Percentage composition of compound – Determination of molar mass from % composition, Determination of no of atoms, determination of formula of molecular formula from % composition, determination of no of water of crystallizations-Stoichiometry

Valence bond theory (VBT)-VBT Postulates, overlapping of atomic orbitals, factors affecting extent of overlapping, sigma ,pi bonds, delta bond, positive , negative and zero overlapping, difference between sigma and pi bond, determination of no of sigma and pi bondsSigma bond,

Quantum wave mechanical model- Schrodinger wave equation, Hamiltonian operator, Significance of Ψ (wave function), Significance of Ψ2, atomic orbital-atomic structure

Quantum numbers- principle quantum numbers, Azimuthal Quantum numbers, Magnetic quantum numbers, Spin Q.No, degenerate orbitals, Energies of orbitals, (n+l) rule, Z-component angular momentum, spin multiplicity

Crystal structures of NaCl & CsCl- crystal lattice, unit cell, co-ordination number, radius ratio, voids- Chemical bonding

EQUIVALENT WEIGHT-1 Equivalent, Gram equivalent, Law of equivalents, no of equivalents, equivalent volume, Methods for the determination of equivalent weight-Hydrogen displacement method, Oxide formation method, Reduction method, Conversion method, Volatile chloride method, chloride formation method, Metal displacement, double decomposition method, Electrolytic method

MOLE CONCEPT – 1, Mole, formula to calculate no of moles, Avogadro’s number, Avogram, Molar mass, Molar volume, Loschmidt number, gram atom, gram molecule, Gram atomic weight, Gram molecular weight, Density of gas, vapour density, Relative density

Shapes of atomic orbitals-shapes of s, p, d, f orbitals, Radial nodes, angular nodes, Total no of nodes

Concentration terms- weight percentage, volume percentage, (w/v) percentage, ppm, Mole fraction, molality, Molarity, no of moles, Normality, gram equivalent weight, inter-relation between different concentration terms