1. Coordination Chemistry & Complexes
- Valence Bond and Crystal Field Theories: Conceptual breakdown of d-orbital splitting in octahedral, tetrahedral, and square planar geometries.
- Ligand Field Theory (LFT): MO diagrams for transition metal complexes, structural distortions (Jahn-Teller effect), and magnetic behaviors.
- Stability of Complexes: Kinetic vs. thermodynamic stability, stepwise formation constants, and the chelate effect.
- Reaction Mechanisms: Substitution reactions in square planar and octahedral complexes, trans-effect, and electron transfer pathways (inner vs. outer sphere).
2. Molecular Symmetry & Group Theory
- Symmetry Elements and Operations: Detailed matrices for operations like rotation, reflection, inversion, and improper rotation.
- Point Groups: Classification of inorganic molecules (e.g., H₂O, NH₃, \([PtCl_4]^{2-}\)) into specific symmetry point groups.
- Applications: Great Orthogonality Theorem, construction of character tables, and prediction of IR and Raman vibrational modes.
3. Nuclear Chemistry & Radioactivity
- Nuclear Models: Liquid drop model, nuclear shell structures, binding energy curves, and nuclear stability.
- Radioactive Decay: Artificial radioactivity, kinetics of decay, and carbon dating mechanisms.
- Nuclear Reactions: Extensive analysis of nuclear fission, fusion, and the operation of nuclear reactors.
4. Analytical Techniques & Crystal Chemistry
- Solid State Structures: Closest packing networks, radius ratio rules, and crystal defects (Schottky, Frenkel).
- Data Treatment in Analytics: Statistical treatment of analytical errors, precision, accuracy, and hypothesis tests (t-test, F-test) for quantitative estimation.
5. Environmental Chemistry & Metals
- Aquatic and Atmospheric Pollutants: Chemical behavior of heavy metal toxicity (As, Hg, Pb, Cd), green chemistry protocols, and greenhouse dynamics.
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