all imp. topics in chemical bonding chapter for jee mains and also please tell me the topics in jee advanced separately.
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Hello Shanu,
The important topics in Chemical bonding are:
For JEE Main:
- Kossel - Lewis approach to chemical bond formation, concept of ionic and covalent bonds.
- Ionic Bonding: Formation of ionic bonds, factors affecting the formation of ionic bonds; calculation of lattice enthalpy.
- Covalent Bonding: Concept of electronegativity, Fajan's rule, dipole moment; Valence Shell Electron Pair Repulsion (VSEPR) theory and shapes of simple molecules.
- Quantum mechanical approach to covalent bonding:
- Valence bond theory - Its important features, concept of hybridization involving s, p and d orbitals; Resonance.
- Molecular Orbital Theory - Its important features, LCAOs, types of molecular orbitals (bonding, antibonding), sigma and pi-bonds, molecular orbital electronic configurations of homonuclear diatomic molecules, concept of bond order, bond length and bond energy.
- Elementary idea of metallic bonding. Hydrogen bonding and its applications.
For JEE Advanced (Chemical Bonding and Atomic Structure):
- Bohr model, spectrum of hydrogen atom, quantum numbers;
- Wave-particle duality,de Broglie hypothesis;
- Uncertainty principle;
- Qualitative quantum mechanical picture of hydrogen atom, shapes of s, p and d orbitals;
- Electronic configurations of elements (up to atomic number 36);
- Aufbau principle;
- Pauli’s exclusion principle and Hund’s rule;
- Orbital overlap and covalent bond;
- Hybridisation involving s, p and d orbitals only;
- Orbital energy diagrams for homonuclear diatomic species;
- Hydrogen bond; Polarity in molecules, dipole moment (qualitative aspects only);
- VSEPR model and shapes of molecules (linear, angular, triangular, square planar, pyramidal, square pyramidal, trigonal bipyramidal, tetrahedral and octahedral).
All the best!!
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