Comprehensive 2026-2027 MDCAT Medical Live Batch covering Physics, Chemistry, Biology, and English with worked whiteboard derivations, practice sheet video solutions, companion Master Notes, and retrieval drills.
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Chemistry lecture on Fundamentals of Chemistry / Stoichiometry. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Welcome and Course Roadmap 24:30 MDCAT Chemistry Preparation Strategy and Daily Discipline 01:14:30 Matter and Classification: Elements vs Compounds 01:25:10 Mixtures and Physical Separation Principles 01:46:20 Atomic Number, Mass Number, and Subatomic Particles 01:57:05 Relative Atomic Mass and Standard Reference Carbon-12 02:07:45 Definition of Atomic Mass Unit (amu) and Scale Derivation 02:17:15 Isotopes, Isobars, and Relative Abundance Concept
Chemistry lecture on Fundamentals of Chemistry / Stoichiometry. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Lecture Overview and Recap of Relative Masses 11:40 Molecular Mass vs Formula Mass Calculations 23:20 The Mole Concept: Mass in Grams to Moles Conversion 46:40 Avogadro Constant and Representative Particles 01:21:40 Calculation of Total Atoms and Ions in Compounds 01:45:00 Molar Volume of Gases at STP (22.4 dm3) 02:08:20 Mole-Particle-Volume Interconversion Triad 02:31:40 Mental Arithmetic and Rounding Shortcuts for MDCAT
Chemistry lecture on Fundamentals of Chemistry / Stoichiometry. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Welcome and Review of Mole-Particle Conversions 18:25 Percentage Composition of Elements in Compounds 42:10 Empirical Formula Derivation from Mass Percentages 01:05:30 Molecular Formula Determination from Empirical Formula 01:28:45 Combustion Analysis Setup and Mechanics 01:52:15 Carbon Dioxide and Water Absorption Calculations 02:15:30 Empirical Formula of Organic Compounds Worked Examples
Chemistry lecture on Fundamentals of Chemistry / Stoichiometry. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Introduction and Advanced Stoichiometry Foundations 22:15 Balanced Chemical Equations and Mole Ratios 48:30 Mass-Mass Stoichiometric Calculations 01:15:45 Mass-Volume Stoichiometric Calculations (STP vs RTP) 01:45:20 Volume-Volume Calculations and Gas Stoichiometry 02:12:10 Practice Problem Walkthrough: Limiting Factors 02:43:20 Speed Problem Solving without Calculator
Chemistry lecture on Fundamentals of Chemistry / Stoichiometry. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Orientation and Stoichiometry Part 5 Setup 03:55 Reactants and Products Conversion Rate 07:50 Aluminum and Oxygen Reaction Mole Example 11:45 Limiting Reactant Definition and Termination Concept 15:40 Mole Comparison Method vs Formula Method 19:35 Ammonia Synthesis Limiting Reactant Calculation 23:30 Excess Reactant Remaining Calculation
Chemistry lecture on Fundamentals of Chemistry / Stoichiometry. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Limiting Reactant Recap and Video Check 18:00 Systematic Steps to Identify Limiting Reactant 36:00 Balanced Chemical Equation Mole Ratio Analysis 54:00 Excess Reactant Calculation: Given minus Used Formula 01:12:00 Combustion Stoichiometry and Carbon Dioxide Yield 01:30:00 Shortcut Multiplication and Option Elimination Techniques 01:48:00 Decimal Handling and Rounding Strategies
Chemistry lecture on Fundamentals of Chemistry / Stoichiometry. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 01 Overview and Approach 16:20 Moles and Mass Conversions: Grams to Moles Problems 33:50 Avogadro Constant and Particle Count Calculations 45:00 Molar Volume of Unknown Gases at STP 01:04:50 Mass of Oxygen in Sulfur Dioxide Problems 01:25:10 Number of Hydrogen Ions in Sulfuric Acid Solutions 01:47:00 Carbon Atoms in Diamond Sample Worked Solution
Chemistry lecture on Fundamentals of Chemistry / Stoichiometry. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 02 Overview: Significant Figures 04:25 Leading Zeros vs Trailing Zeros Counting Rules 08:55 Decimal Notation and Scientific Format Constraints 13:25 Significant Figures in Decimal Numbers 17:50 Power of Ten and Decimal Shift Operations 22:20 Rounding Off Rules and Dropping Significant Digits
Chemistry lecture on Fundamentals of Chemistry / Stoichiometry. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 03 Overview: Combustion of Propane Reaction 15:00 Mole and Volume Ratios in Combustion Reactions 30:00 Aluminum Reaction with Oxygen to form Al2O3 45:00 Nitrogen and Hydrogen Stoichiometry in Ammonia Synthesis 50:00 Sodium Azide Decomposition and Gas Volume Calculations 01:10:00 Butane Combustion Analysis and CO2 Yield 01:25:00 Advanced Gas Volume Stoichiometry Problems
Chemistry lecture on Fundamentals of Chemistry / Stoichiometry. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 04 Overview: Stoichiometric Relationships 20:00 Percentage Composition Calculations: Nitrogen in Ammonium Nitrate 35:00 Molecular Formula Determination from Empirical Formula 50:00 Calculation of Total Atoms in CO2 and Methane Samples 01:05:00 Theoretical Yield vs Actual Experimental Yield 01:15:00 Calculating Percentage Yield in Chemical Reactions 01:30:00 Worked Examples: Yield Optimization in Synthesis
Chemistry lecture on Fundamentals of Chemistry / Stoichiometry. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 05 Overview: Advanced Limiting Reactants 20:00 Reaction of Hydrogen with Oxygen: Water Yield Analysis 40:00 Theoretical Yield Calculation and Cancellation Hacks 01:00:00 Manual Division and Decimal Approximation Techniques 01:20:00 Limiting Reactant Identification in Chemical Reactions 01:40:00 Iron and Sulfur Stoichiometry: Iron Sulfide Mass Calculation 02:00:00 Potassium and Bromine Reaction Stoichiometry
Chemistry lecture on Fundamentals of Chemistry / Stoichiometry. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 06 Overview: Mixed Stoichiometry Drill 18:00 Pure Compounds vs Mixtures Identification 36:00 Neutron and Proton Calculations in Isotopes 54:10 Total Sigma and Pi Bonds Calculation in Given Mass 01:12:10 Empirical Formula Determination for Sulfur Oxides 01:30:15 Colligative Properties and Number of Solute Particles 01:48:20 Significant Figures and Numerical Precision Summary
Chemistry lecture on The Atomic Structure. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Historical Foundations of Atomic Structure 07:30 Discharge Tube Experiments and Subatomic Discovery 15:00 Properties of Cathode Rays and Electron Discovery 22:35 J.J. Thomson Experiment and e/m Ratio of Electron 30:05 Millikan Oil Drop Experiment and Charge Determination 37:40 Canal Rays, Goldstein Experiment and Proton Discovery 45:10 Subatomic Particle Mass and Charge Comparison Table
Chemistry lecture on The Atomic Structure. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Welcome and Review of Canal Rays 30:00 Discovery of Neutron by Chadwick: Alpha Bombardment of Beryllium 52:30 Rutherford Gold Foil Experiment and Nuclear Model of the Atom 01:07:30 Postulates of Bohr Atomic Model: Stationary Orbits and Angular Momentum 01:30:00 Derivation of Orbit Radius and Energy: Electrostatic vs Centripetal Force 01:45:00 Charge on One Mole of Electrons Calculation and Live Chat Q&A 02:15:00 Past Paper MCQs: Canal Ray Ionization and Rutherford Model Drawbacks
Chemistry lecture on The Atomic Structure. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Introduction to Modern Wave Mechanics and Orbitals 23:10 Principal and Azimuthal Quantum Numbers (n and l) 46:25 Magnetic and Spin Quantum Numbers (m and s) 01:09:40 Shapes of Atomic Orbitals: s, p, d, and f Subshells 01:38:50 Aufbau Principle and (n+l) Energy Ordering Rule 01:55:50 Pauli Exclusion Principle and Hund Rule of Maximum Multiplicity 02:20:30 Electronic Configurations of First 30 Elements and Orbitals Energy Ranking
Chemistry lecture on The Atomic Structure. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Welcome and Atomic Spectra Overview 30:00 Radioactive Alpha Decay: Atomic Number and Mass Number Changes (Z-2, A-4) 01:07:30 Atomic Absorption and Emission Line Spectra Characteristics 01:36:00 Hydrogen Spectral Series: Lyman, Balmer, Paschen, Brackett, Pfund 01:52:30 X-Rays Discovery and Electron Bombardment of Anode Target 02:00:00 Moseley Law: Atomic Number as Fundamental Element Property 02:22:30 Atomic Structure Past Paper MCQs: Planck Constant and Orbital Energies
Chemistry lecture on The Atomic Structure. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 01 Overview: Cathode Ray Properties and Vacuum Pressure 07:55 Mass of Electron Determination in amu and Kilograms 12:15 Comparing e/m Ratio of Subatomic Particles: Lowest vs Highest 21:35 Ratio of Proton e/m to Alpha Particle e/m Calculation 34:05 Identifying Unknown Element X with Mass 12 and Charge 6 (Carbon) 45:25 Positive Rays and Canal Rays Discovery by Goldstein 01:08:10 Rydberg Equation and Photon Energy Release in n=3 to n=2 Transition
Chemistry lecture on The Atomic Structure. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 02 Overview: Subatomic Particles with Unit Negative Charge 07:55 Penetrating Power Comparison: Gamma vs Beta vs Alpha and Beta Unit Charge 15:20 Speed Comparison: Gamma (c) vs Beta (0.9c) vs Alpha (0.1c) Radiations 21:35 X-Rays Generation in Discharge Tube: Cathode Rays Bombarding Anode Target 27:40 Mass Number of an Atom as Sum of Protons and Neutrons (A = Z + N) 37:35 Gamma Decay Nuclear Characteristics: Zero Change in Mass and Charge 41:50 Pair Production Mechanism: Electron and Positron Creation
Chemistry lecture on The Atomic Structure. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 03 Overview: Ionization Energy of Hydrogen (n=1 to Infinity) 04:25 Splitting of Spectral Lines in Electric Field: Stark Effect 13:10 Wave Number Calculation (nu-bar) and Photon Energy Equations 26:15 Bohr Postulates: Quantized Angular Momentum and Orbit Radii 37:00 Zeeman Effect: Spectral Line Splitting in Magnetic Field 50:20 Balmer Series Electron Transitions and Photon Emission 01:05:40 Continuous vs Line Spectra Distractor Analysis
Chemistry lecture on The Atomic Structure. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 04 Overview: Quantum Numbers 05:00 Principal Quantum Number and Shell Energy Levels 10:00 Azimuthal Quantum Number and Subshell Geometries 15:00 Magnetic Quantum Number and Spatial Orientations 20:00 Spin Quantum Number and Clockwise/Anticlockwise Spin 25:00 Maximum Electron Capacity Formulas for Shells and Subshells
Chemistry lecture on The Atomic Structure. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 05 Overview: Degenerate Orbitals and Energy Levels 07:30 Shapes of Atomic Orbitals: Spherical s vs Dumbbell p Orbitals 14:00 Shapes of d-Orbitals: Axial vs Non-Axial Lobes 21:00 Nodal Planes and Radial Nodes Calculations in Subshells 28:30 Orbital Multiplicity and Magnetic Quantum Number Range (-l to +l) 36:00 Quantum Number Sets (n, l, m, s) for Valence Electrons
Chemistry lecture on The Atomic Structure. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 06 Overview: Pauli Exclusion Principle Four Quantum Numbers 12:35 Aufbau Principle and (n+l) Energy Ordering with K+ and Ar 25:15 Electron Removal Sequence from Ionized Atoms: Oxygen Ion (O+) 37:50 Hund Rule of Maximum Multiplicity and Orbital Box Diagrams 50:30 Anomalous Electronic Configurations: Chromium and Copper Autopsy 01:05:00 Paramagnetic vs Diamagnetic Ions: Vanadium (V3+) Unpaired Electrons 01:15:50 Species with Two Unpaired Electrons and Magnetic Nature of O2 Molecule
Chemistry lecture on The Atomic Structure. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 07 Overview: Electricity Passage through Solutions 05:30 Subatomic Particle Deflection and Rutherford Positive Charge Confirmation 10:50 Rutherford Alpha Particle Scattering and Nucleus Discovery 16:25 Radioactivity in Heavy Elements (Z > 82) and Radiation Properties 31:15 Electronic Configuration of Sodium (Na Z=11: K=2, L=8, M=1) 43:25 Mass Comparison: Neutron vs Proton vs Electron (1836 vs 1842) 52:15 Shell Capacity Rules and Naturally Occurring Isotopes of Elements
Chemistry lecture on Gases. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Welcome and Physical Characteristics of Gaseous State 08:30 Intermolecular Distances in Gases vs Liquids and Solids 34:00 Kinetic Molecular Theory Postulates 1 to 5: Volume and Random Collisions 58:30 Kinetic Molecular Theory Postulates 6 to 10: Attractive Forces and Kinetic Energy 01:19:25 Boyle Law: Inverse Pressure-Volume Relationship (P proportional to 1/V) 01:39:15 Mathematical Formulation of Boyle Law (PV = K) at Constant Temperature 02:05:00 Graphical Representation of Boyle Law: Isotherms and P vs 1/V Straight Line 02:25:00 Charles Law: Direct Relationship between Volume and Absolute Temperature
Chemistry lecture on Gases. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Welcome and Charles Law Absolute Zero Extrapolation 22:00 Extensive vs Intensive Variables in Gas Laws 44:00 Ideal Gas Equation Derivation and Density Formulation (PM = dRT) 01:05:00 Value and Units of Universal Gas Constant R 01:28:00 Real Gas Deviations from Ideal Behavior at Low Temperature and High Pressure 01:50:00 Causes of Deviation: Intermolecular Attractions and Molecular Volume 02:12:00 Chat Q&A and Problem Solving on Gas Law Formulations
Chemistry lecture on Gases. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Welcome and Kinetic Interpretation of Temperature 22:00 Real Gas Non-Ideality and van der Waals Equation Foundations 45:00 Root Mean Square Velocity and Molecular Speed Distributions 01:15:00 Dalton Law of Partial Pressures in Non-Reacting Gas Mixtures 01:45:00 Total Pressure vs Partial Pressures and Mole Fraction Calculations 02:00:00 Collecting Gas over Water: Dry Gas Pressure and Aqueous Tension 02:36:00 Graham Law of Diffusion: Rates vs Molar Masses and Densities
Chemistry lecture on Gases. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Welcome and Gaseous State Final Topics Overview 09:50 Joule-Thomson Effect and Cooling by Adiabatic Gas Expansion 20:00 Liquefaction of Gases: Critical Temperature, Critical Pressure, and Critical Volume 32:00 Plasma State: Fourth State of Matter, Characteristics and Astrophysical Occurrence 45:00 Past Paper MCQ Drill: Non-Ideality, van der Waals Constants, and High Pressure Traps 01:10:00 Simultaneous Doubling of Temperature and Pressure Effects on Gas Volume 01:22:00 High-Yield Exam Traps on Gas Density and Diffusion Ratios
Chemistry lecture on Gases. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 01 Overview: Gas Pressure and Volume Calculations 08:30 Boyle Law Numerical Problems and Non-Calculator Fractions 17:30 Charles Law Temperature Scaling and Kelvin Conversions 27:00 Molar Mass Calculation from Gas Mass, Pressure, and Temperature 37:00 Closest Option Estimation and Rounding Hacks for Pressure Units 45:30 Compressibility Factor Z: Positive vs Negative Deviation from Ideality
Chemistry lecture on Gases. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 02 Overview: Gas Heating at Constant Pressure 07:00 Kinetic Molecular Theory Postulates Validation and Traps 14:00 Ideal Gas Equation (PV = nRT) Variable Manipulations 21:00 Gas Density and Molar Mass Relationships 28:00 Gas Stoichiometry and Volume Ratios at Standard Conditions 35:00 Distractor Autopsy on Gaseous State Exam Questions
Chemistry lecture on Gases. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 03 Overview: Rectangular Hyperbola Isotherm in Boyle Law 07:00 Compressibility Factor Z: Positive vs Negative Deviations from Ideality 14:00 Avogadro Law and Gas Density Dependence on Pressure 21:00 Kinetic Theory Assumptions: Intermolecular Distance and Negligible Volume 29:30 Units and Significance of van der Waals Constants a and b 36:00 Intermolecular Forces and Dipole-Dipole Attractions in Ammonia (NH3) 40:00 van der Waals Equation Pressure and Volume Correction Terms
Chemistry lecture on Gases. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 04 Overview: Gaseous State MCQ Marathon 07:30 Kinetic Molecular Theory Assumptions and Elastic Collisions 15:00 Graham Law Diffusion Rate Comparisons (CH4 vs CO2) 22:30 Square Root Molar Mass Ratio Calculations without Calculator 30:00 Partial Pressures and Equal Molar Gas Mixtures (PA = PB) 38:00 Intermolecular Forces Absence in Ideal Gases 44:00 Plasma State Electrical Conductivity and Neutral vs Deviating Gases
Chemistry lecture on Gases. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 05 Overview: Identical Properties at Constant T and P 10:00 Non-Reacting Noble Gas Mixtures Obeying Dalton Law (Neon, Argon, Helium) 20:00 Triple Covalent Bond Strength and Low Reactivity of Nitrogen Gas 30:00 Simultaneous Doubling of Absolute Temperature and Volume 42:00 Molar Mass Calculation of Unknown Gas X at 300K 52:00 Graham Law Calculation: CO2 Diffusion Rate vs Gas X (1.2 Times Faster) 01:10:00 Extreme Conditions for Gas Non-Ideality: High Pressure and Low Temperature
Chemistry lecture on Organic compounds. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Introduction to Organic Chemistry and Vital Force Theory 20:00 Vital Force Theory Postulates: Mysterious Force in Living Organisms 46:55 Overthrow of Vital Force Theory: Wohler Synthesis of Urea from Inorganic Precursor 01:10:20 Tetravalency of Carbon and Four Bonding Positions 01:30:00 Catenation Property: Self-Linking of Carbon into Chains 01:57:20 Classification of Organic Compounds: Open-Chain vs Closed-Chain 02:20:50 Homocyclic (Carbocyclic) vs Heterocyclic Ring Systems
Chemistry lecture on Organic compounds. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Introduction to Aromatic vs Alicyclic Hydrocarbons 27:00 Huckel Rule (4n+2 Pi Electrons) and Delocalized Ring Systems 54:00 Functional Groups Definition and Family Classes 01:21:00 Homologous Series Characteristics: Gradation in Physical Properties 01:48:00 IUPAC Nomenclature of Straight-Chain Alkanes 02:15:00 IUPAC Nomenclature of Alkenes and Alkynes with Double and Triple Bonds 02:40:00 Common Trivial Names vs Systematic IUPAC Names
Chemistry lecture on Organic compounds. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Nomenclature of Branched-Chain Hydrocarbons Overview 25:15 Alkyl Radicals: Methyl, Ethyl, Propyl, and Butyl Group Structures 50:30 Longest Continuous Carbon Chain and Lowest Locant Rule 01:15:45 Alphabetical Ordering of Substituents in IUPAC Names 01:41:00 Nomenclature of Monohydric and Polyhydric Alcohols 02:06:15 Nomenclature of Primary, Secondary, and Tertiary Alkyl Halides 02:22:00 Common Traps in Numbering Complex Branched Chains
Chemistry lecture on Organic compounds. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Nomenclature of Carbonyl Compounds Overview 30:00 IUPAC Naming of Aldehydes (Alkanals) 01:00:00 IUPAC Naming of Ketones (Alkanones) 01:30:00 IUPAC Naming of Carboxylic Acids (Alkanoic Acids) 02:03:00 IUPAC Naming of Esters, Acid Halides, and Amides 02:30:00 Nomenclature of Ethers (Alkoxyalkanes) and Amines 02:47:00 Multi-Functional Organic Compounds Priority Hierarchy
Chemistry lecture on Organic compounds. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Introduction and Short Notes Guidance for Advanced Nomenclature 30:00 Multi-Branch Hydrocarbon Numbering and Alphabetical Priority Rules 40:00 Position of Double and Triple Bonds in Parent Chain Names 01:00:00 Lowest Locant Sum Rule for Multiple Double Bonds 01:10:00 Longest Carbon Chain Containing Double Bonds Rule 01:40:00 Priority Hierarchy: Functional Group over Double Bond over Branch 02:05:00 Complex Branched Alkene and Alkyne Nomenclature Walkthrough
Chemistry lecture on Organic compounds. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Functional Groups Review and Position Numbers 20:00 Definition of Isomerism and Structural Isomers 27:45 Chain Isomerism: Pentane Isomers (n-Pentane, Isopentane, Neopentane) 55:30 Position Isomerism: Dichloropropane (1,1-Dichloropropane vs 1,2-Dichloropropane) 01:23:20 Metamerism in Ethers: Diethyl Ether and Methyl Propyl Ether 01:51:05 Introduction to Stereoisomerism and Restricted Rotation around Double Bond 02:18:55 Cis-Trans Geometric Isomerism in Alkenes (But-2-ene) 02:46:40 Requirements and Traps in Geometric Isomerism: Disubstituted Carbons
Chemistry lecture on Organic compounds. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Introduction to Optical Isomerism and Chirality 16:00 Plane-Polarized Light (PPL) and Polarimeter Operation 32:05 Chiral Carbon (Asymmetric Center) and Enantiomers 48:05 Non-Superimposable Mirror Images and Optical Activity 01:04:10 Dextrorotatory vs Laevorotatory Enantiomers 01:20:10 Racemic Mixtures and Optical Inactivity by External Compensation 01:37:30 Organic Synthesis Overview and Reaction Pathway Preview
Chemistry lecture on Organic compounds. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 01 Overview: Disproof of Vital Force Theory 07:10 Synthesis of Urea from Inorganic Precursor 15:00 Sources of Organic Compounds vs Inorganic Minerals 22:00 Formation of Fossil Fuels from Prehistoric Organic Remains 28:00 Carbon Content Progression in Coal Formation 35:00 Renewable vs Non-Renewable Energy Sources 42:00 Characteristics of Organic Compounds: Covalency and Low Melting Points
Chemistry lecture on Organic compounds. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 02 Overview: Earliest Stage of Coal Formation (Peat) 06:30 Carbon Percentage in Lignite Coal (60 to 70 Percent) 13:00 Destructive Distillation of Coal and Primary Products 19:30 Natural Gas Composition: Methane Predominance 26:00 Petroleum Refining: Fractional Distillation and Boiling Ranges 33:00 Cracking of Petroleum: Thermal vs Catalytic Conversion 39:30 Environmental Impact of Hydrocarbon Combustion
Chemistry lecture on Organic compounds. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 03 Overview: Reforming of Petroleum Hydrocarbons 08:30 Converting Straight-Chain to Branched-Chain Alkanes 16:00 Engine Knocking and Sharp Metallic Noise in Internal Combustion 24:00 Tetraethyl Lead (TEL) as Anti-Knock Additive and Unleaded Fuel 32:00 Catenation in Carbon and Non-Polar Insoluble Behavior in Water 40:00 Polyethylene and Addition Polymers from Ethylene Monomers 48:00 Reforming Impact on Octane Number and Fuel Efficiency
Chemistry lecture on Organic compounds. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 04 Overview: Straight-Chain to Branched Hydrocarbon Conversion 08:00 Octane Number Rating: 2,2,4-Trimethylpentane (Iso-octane) Standard 16:00 Monomers and Polymerization of Vinyl Compounds 25:00 Functional Group Isomerism: Aldehydes and Ketones 34:00 Position Isomerism in Substituted Hydrocarbons 43:00 Diethyl Ether Properties and Historical Use as General Anaesthetic 51:00 High-Yield Distractor Autopsy on Hydrocarbon Refining
Chemistry lecture on Organic compounds. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 05 Overview: Catenation Property and Long Carbon Chains 08:00 Water Solubility of Alcohols via Intermolecular Hydrogen Bonding 16:00 Functional Group Isomerism: Propanal vs Propanone 24:00 IUPAC Naming of Secondary Alcohols: Propan-2-ol 32:00 Ethylene Gas Function in Agricultural Fruit Ripening 40:00 General Formulas: Alkynes and Cycloalkenes (CnH2n-2) 44:00 Thioalcohols (Thiols) and Ether Functional Groups
Chemistry lecture on Organic compounds. Worked whiteboard derivations and conceptual breakdowns. 00:00 Practice Sheet 06 Overview: Condensation Polymerization and Small Molecule Loss 10:00 Structural Isomerism: Position Isomers vs Metamers 20:00 Pure Carbon Forms: Coke, Charcoal, and Carbon Black 30:00 Branched Alkane Isomers: Isopentane Second-Last Carbon Branch 40:00 Coal Classification: Bituminous Coal Composition (80 to 85 Percent Carbon) 50:00 Synthetic Polymers: Bakelite, Polyethylene, and Dacron (Terylene) 01:00:00 Phenol-Formaldehyde Condensation and Polymer Chemistry Recap
Chemistry lecture on Alkyl halides. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Introduction to Alkyl Halides as Alkane Derivatives 06:05 General Formula of Monohaloalkanes (CnH2n+1X) 18:15 Classification: Primary (1°), Secondary (2°), and Tertiary (3°) Alkyl Halides 24:25 Alpha Carbon Identification and Numbering Rules 36:35 Iso and Neo Alkyl Halide Nomenclature 48:50 Terminal Halogen Placement Rules and Live Chat Q&A 56:00 Session Summary and Preview of Nucleophilic Substitution
Chemistry lecture on Alkyl halides. Delivered by Sir Fakhir Husnain. Worked whiteboard derivations and conceptual breakdowns. 00:00 Lecture Setup and Nucleophilic Substitution Overview 28:15 Nucleophiles, Electrophiles, and Leaving Group Dynamics 56:30 Preparation of Alkyl Halides from Alcohols using SOCl2, PCl3, and PCl5 01:24:50 Grignard Reagent Synthesis and Reactions with Carbonyl Compounds 01:53:05 Ester and Carboxylic Acid Formation via Organomagnesium Reagents 02:21:25 SN1 vs SN2 Reaction Mechanisms: Kinetics and Stereochemistry 02:49:40 Inversion of Configuration (Walden Inversion) vs Racemization