Chemical Bonding and Molecular Structure (Weightage 5%)  

Topics from Chemical Bonding and Molecular Structure

  • Kossel - Lewis approach to chemical bond formation, concept of ionic and covalent bonds (7 concepts)
  • Formation of ionic bonds, factors affecting the formation of ionic bonds (1 concepts)
  • Fajans rule, dipole moment (4 concepts)
  • Valence Shell Electron Pair Repulsion (VSEPR) theory and shapes of simple molecules. (9 concepts)
  • Valence bond theory - Its important features, concept of hybridization involving s, p and d orbitals (11 concepts)
  • Resonance (1 concepts)
  • MOT:Its important features, LCAOs, types of molecular orbitals (bonding, antibonding) (13 concepts)
  • sigma and pi-bonds (3 concepts)
  • molecular orbital electronic configurations of homonuclear diatomic molecules (2 concepts)
  • concept of bond order (1 concepts)
  • Hydrogen bonding and its applications. (12 concepts)