Key Topics in CSIR NET Physical Chemistry Repeated Exam Topics

Introduction

Disclaimer: This video covers frequently asked topics in CSIR NET exams based on data analysis of past 10-12 years of exams. It is not a prediction of exam questions.
Usage: These topics help in prioritizing revision, especially if skipping entire sections. Reinforces focusing on high-frequency topics for better marks.

Basics: Know the number of atoms per unit cell (simple cubic = 1, BCC = 2, FCC = 4). Understand packing fraction, a/R ratio.
Density Questions: Frequently asked. Concepts needed: number of atoms per unit cell, packing fraction, a/R ratio.
Bragg's Equation: Important for material research and involves general questions around wavelength, atomic radius, unit cell length, and plane spacing.
Allowed and Forbidden Diffractions: Miller indices and their occurrence in BCC, FCC, SCC.
Resources: Look up videos on the channel "Solid State Chemistry" (All About Chemistry) for more questions and explanations.

Basics: Rate of reaction, rate constant equations for zero, first, second, and third orders.
Enzyme Kinetics: Mechaelis-Menten equation, Lineweaver-Burk plot, Eadie-Hofstee plot.
Theories: Lindemann theory for unimolecular reactions, Collision Theory, and Activated State Theory.
Complex Reactions: Kinetics of parallel, consecutive, and reversible reactions.
Arrhenius Equation: Include this in the basic concepts.
Unit of Rate Constant: Critical to know.

Key Topics: Molar conductivity, Nernst equation, Debye-Hückel limiting law, Poiseuille's Law.
Thermodynamics: Delta G, Ksp, and equilibrium constant calculations.
Concentration Cells: With and without liquid junction.
Potentiometric Titrations: Sometimes asked but not overly critical.
Transport Number and Mobility: Basic but important for calculations. ~ Equation to memorize: Nernst Equation (Marked most important).

Key Calculations: Weight Average (Mw), Number Average (Mn), Viscosity Average Molecular Mass, Degree of Polymerization.

Adsorption Isotherms: Langmuir and BET.
Critical Micellar Concentration (CMC): Study related to surface tension.
Videos: Search "Langmuir Isotherm All About Chemistry" on YouTube or "Critical Micellar Concentration All About Chemistry" on YouTube.

Core Topics: Thermodynamic equations of state, Maxwell relations, entropy of mixing, residual entropy, Carnot cycle, heat capacity relations (Cp and Cv), Clausius-Clapeyron equation, Joule-Thomson coefficient, spontaneity criteria, fugacity.
Resources: Watch videos on "Thermodynamics" (All About Chemistry). They cover most essential concepts.
Master Video: Watch Thermodynamic Square video for tricks on criteria for spontaneity.
Joule-Thomson Coefficient: Understand related topics like inversion temperature and critical pressure.
Spontaneity: Use the thermodynamic square to remember conditions for spontaneity.
Fugacity: Not frequently asked but important.

Key Equations: Thermodynamic Probability, Maxwell-Boltzmann Distribution, Partition Functions.
Thermal Wavelength: Learn how it's related to partition function.
Ensembles: Microcanonical, Canonical, Grand Canonical.
Important Relations: Between thermodynamic variables and partition functions.

Key Topics: Point Group, Character Table, Great Orthogonality Theorem Postulates.
Determining Transitions: Allowed/Forbidden Electronic Transitions, IR/Raman Active Modes.
Videos on Channel: Watch for detailed explanations on these topics.

Foundations: Commutator, Hermitian Operator, Eigenvalue/Eigenfunction.
Particle in a Box: 1D, 2D, 3D.
Higher Topics: Perturbation Theory, Variational Principle, Hückel Theory.
Easy Scoring: Calculation-based problems like normalization of wave functions.

Rotational Spectroscopy: Spherical top, symmetric top, asymmetric top molecules, rotational constants, energy levels, selection rules.
Vibrational Spectroscopy: Harmonic and anharmonic oscillators, vibrational constants, dissociation energy.
Raman Spectroscopy: Pride of India. Rotational and vibrational Raman Spectroscopy, Stoke and anti-Stoke shifts.
NMR Spectroscopy: Instrument frequency calculations, gyromagnetic ratio, chemical shifts.

Revision Strategy: Focus on frequently asked topics, use provided resources.
Stay Tuned: Announcements for new batches and further detailed videos coming soon.

On the channel "YouTube: All About Chemistry" to find detailed explanations and solved examples related to these key topics.

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Cheers, Good Luck with your Preparation! Never Stop Learning!!