📝Chemistry blog · ABC Chemistry

The ABC Chemistry blog — 335 articles

Syllabus and pattern updates, chapter notes, previous-year analysis and exam news for Class 11–12, JEE, NEET, CUET, IIT-JAM, CSIR-NET and GATE — every article from abcchemistry.in and abcchemistry.com, now in one place.

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Articles

Study guide — Weekday Evening Chemistry Batches with ABC Chemistry (Live Online)
Gurugram

Weekday Evening Chemistry Batches with ABC Chemistry (Live Online)

2026-10-03
Chemistry study guide — NEET Chemistry Home Tuition in Gurgaon: Building a Weekly Study Plan
Class 12

NEET Chemistry Home Tuition in Gurgaon: Building a Weekly Study Plan

2026-10-03
Chemistry study guide — X-ray Diffraction and Bragg’s Law: Solving Simple Crystal Structures
CSIR-NET

X-ray Diffraction and Bragg’s Law: Solving Simple Crystal Structures

2026-10-03
Chemistry study guide — Chemistry and Maths Home Tuition for Class 9: Building the Foundation Before Boards
Class 10

Chemistry and Maths Home Tuition for Class 9: Building the Foundation Before Boards

2026-10-03
Chemistry study guide — Polarography and the Dropping Mercury Electrode: Reading a Polarogram
CSIR-NET

Polarography and the Dropping Mercury Electrode: Reading a Polarogram

2026-10-03
Chemistry study guide — Switching Chemistry Tutors Mid-Year in Class 11: What Actually Changes
Class 11

Switching Chemistry Tutors Mid-Year in Class 11: What Actually Changes

2026-10-03
Chemistry study guide — Chemistry and Maths Home Tuition in West Delhi: Coverage Beyond Dwarka
Class 10

Chemistry and Maths Home Tuition in West Delhi: Coverage Beyond Dwarka

2026-10-02
Chemistry study guide — Home Tuition for Two or More Children: How a Combined Session Actually Works
Class 10

Home Tuition for Two or More Children: How a Combined Session Actually Works

2026-10-02
Chemistry study guide — Asymmetric Synthesis: Chiral Auxiliaries, Catalysts and Enantiomeric Excess
CSIR-NET

Asymmetric Synthesis: Chiral Auxiliaries, Catalysts and Enantiomeric Excess

2026-10-02
Chemistry study guide — ICSE and CBSE Class 10 Chemistry: Why the Home Tuition Approach Differs
Class 10

ICSE and CBSE Class 10 Chemistry: Why the Home Tuition Approach Differs

2026-10-02
Chemistry study guide — Green Chemistry: The Twelve Principles and Atom Economy in Practice
CSIR-NET

Green Chemistry: The Twelve Principles and Atom Economy in Practice

2026-10-02
Exam update — GATE 2027: Official Exam Dates Announced — What Chemistry Candidates Should Plan Around
Exam Updates

GATE 2027: Official Exam Dates Announced — What Chemistry Candidates Should Plan Around

2026-10-02
Chemistry study guide — Potentiometric and Conductometric Titrations: Choosing the Right Method
Physical Chemistry

Potentiometric and Conductometric Titrations: Choosing the Right Method

2026-10-02
Chemistry study guide — Managing School Unit Tests and Board Prep Together: Chemistry and Maths Home Tuition
class 11-12 chemistry

Managing School Unit Tests and Board Prep Together: Chemistry and Maths Home Tuition

2026-10-02
Chemistry study guide — GATE Chemistry: Organic Chemistry Weightage and Where to Focus Revision
GATE Chemistry

GATE Chemistry: Organic Chemistry Weightage and Where to Focus Revision

2026-10-02
Chemistry study guide — What to Expect in the First Home Tuition Session: Class 11 Chemistry in Delhi
Class 11

What to Expect in the First Home Tuition Session: Class 11 Chemistry in Delhi

2026-10-02
Chemistry study guide — Kinetic Isotope Effects: What They Reveal About a Mechanism
Physical Chemistry

Kinetic Isotope Effects: What They Reveal About a Mechanism

2026-10-02
Chemistry study guide — Chemistry Home Tuition for NEET Aspirants in Delhi-NCR
class 11-12 chemistry

Chemistry Home Tuition for NEET Aspirants in Delhi-NCR

2026-10-02
Chemistry study guide — Cyclic Voltammetry: Reading a Voltammogram
Physical Chemistry

Cyclic Voltammetry: Reading a Voltammogram

2026-10-01
Chemistry study guide — Class 10 CBSE Boards: How Home Tuition Helps in the Final Months
Class 10

Class 10 CBSE Boards: How Home Tuition Helps in the Final Months

2026-10-01
Study guide — ABC Chemistry Online Trial Class: What It Looks Like
Gurugram

ABC Chemistry Online Trial Class: What It Looks Like

2026-10-01
Chemistry study guide — Click Chemistry: The Copper-Catalysed Azide–Alkyne Cycloaddition
Organic Chemistry

Click Chemistry: The Copper-Catalysed Azide–Alkyne Cycloaddition

2026-10-01
Chemistry study guide — CUET-UG Chemistry: How Home Tuition Fits Alongside Class 12 Boards
Class 12

CUET-UG Chemistry: How Home Tuition Fits Alongside Class 12 Boards

2026-10-01
Chemistry study guide — The Hammett Equation: Linear Free-Energy Relationships in Organic Chemistry
Organic Chemistry

The Hammett Equation: Linear Free-Energy Relationships in Organic Chemistry

2026-10-01
Chemistry study guide — Chemistry and Maths Home Tuition for Class 9-10 Students in Gurgaon
Class 10

Chemistry and Maths Home Tuition for Class 9-10 Students in Gurgaon

2026-10-01
Chemistry study guide — Group Tuition or One-on-One: Choosing a Format for Class 9-10 Chemistry and Maths
Class 10

Group Tuition or One-on-One: Choosing a Format for Class 9-10 Chemistry and Maths

2026-10-01
Chemistry study guide — Balancing JEE Main Preparation with Class 12 Chemistry Boards: A Delhi-NCR Parent’s Guide
Class 12

Balancing JEE Main Preparation with Class 12 Chemistry Boards: A Delhi-NCR Parent’s Guide

2026-10-01
Chemistry study guide — Choosing a Class 12 Chemistry Home Tutor in Noida: A Parent’s Checklist
Class 12

Choosing a Class 12 Chemistry Home Tutor in Noida: A Parent’s Checklist

2026-10-01
Chemistry study guide — GATE Chemistry: Physical Chemistry Weightage and Where to Focus Revision
GATE Chemistry

GATE Chemistry: Physical Chemistry Weightage and Where to Focus Revision

2026-10-01
Chemistry study guide — Weekend and Vacation Chemistry Batches with ABC Chemistry (Live Online)
Class 11

Weekend and Vacation Chemistry Batches with ABC Chemistry (Live Online)

2026-10-01
Chemistry study guide — Online Chemistry Tuition for Class 11-12 Delhi Students Preparing for Boards
Class 11

Online Chemistry Tuition for Class 11-12 Delhi Students Preparing for Boards

2026-10-01
Exam update — CSIR-NET Chemical Science Part B: A Working Method for Numerical Questions
Chemical Science Exams

CSIR-NET Chemical Science Part B: A Working Method for Numerical Questions

2026-09-30
Chemistry study guide — Chemistry and Maths Home Tuition Across Noida’s Sectors
Class 10

Chemistry and Maths Home Tuition Across Noida’s Sectors

2026-09-30
Chemistry study guide — Class 11-12 Chemistry Coaching in Gurgaon: Home Tuition or Online
Class 11

Class 11-12 Chemistry Coaching in Gurgaon: Home Tuition or Online

2026-09-30
Exam update — CUET-PG Chemistry: How to Start Preparing Before the December Notification
Chemical Science Exams

CUET-PG Chemistry: How to Start Preparing Before the December Notification

2026-09-30
Chemistry study guide — Class 9-10 Chemistry and Maths Home Tuition in Noida
Class 10

Class 9-10 Chemistry and Maths Home Tuition in Noida

2026-09-30
Chemistry study guide — JEE Main 2027 Session 1: Exam Dates Released — What Class 12 Chemistry Students Should Do Now
Class 12

JEE Main 2027 Session 1: Exam Dates Released — What Class 12 Chemistry Students Should Do Now

2026-09-30
Study guide — CUET PG 2027: Exam Dates Announced by NTA — What Chemistry Postgraduate Aspirants Should Know
CUET-PG

CUET PG 2027: Exam Dates Announced by NTA — What Chemistry Postgraduate Aspirants Should Know

2026-09-30
Chemistry study guide — Class 9-12 Chemistry Home Tuition in Dwarka, Delhi
Class 10

Class 9-12 Chemistry Home Tuition in Dwarka, Delhi

2026-09-30
Chemistry study guide — Chemistry Coaching for Dwarka Expressway, Gurugram (Live Online)
Class 11

Chemistry Coaching for Dwarka Expressway, Gurugram (Live Online)

2026-09-30
Chemistry study guide — How Online Chemistry Tuition Actually Works for Delhi, Noida and Gurgaon Students
Class 10

How Online Chemistry Tuition Actually Works for Delhi, Noida and Gurgaon Students

2026-09-30
Chemistry study guide — Chemistry and Maths Tuition for Gurgaon Students: Home, Online or Coaching
Class 11

Chemistry and Maths Tuition for Gurgaon Students: Home, Online or Coaching

2026-09-30
Chemistry study guide — Class 11 and 12 Chemistry Coaching in Noida: Choosing Between Home Tuition and a Centre
Class 11

Class 11 and 12 Chemistry Coaching in Noida: Choosing Between Home Tuition and a Centre

2026-09-30
Chemistry study guide — Class 9 and 10 Chemistry Home Tuition in Delhi: What to Look For
Class 10

Class 9 and 10 Chemistry Home Tuition in Delhi: What to Look For

2026-09-30
Exam update — Planning the Five Months Before IIT-JAM Chemistry
Chemical Science Exams

Planning the Five Months Before IIT-JAM Chemistry

2026-09-29
Exam update — Building a CSIR-NET Chemical Science Study Timetable From Today to December
Chemical Science Exams

Building a CSIR-NET Chemical Science Study Timetable From Today to December

2026-09-29
Chemistry study guide — Photochemistry Basics: The Jablonski Diagram and Excited-State Pathways
CSIR-NET

Photochemistry Basics: The Jablonski Diagram and Excited-State Pathways

2026-09-29
Chemistry study guide — Group Theory for Chemistry: Symmetry Elements and Point Groups Without the Mystery
CSIR-NET

Group Theory for Chemistry: Symmetry Elements and Point Groups Without the Mystery

2026-09-29
Chemistry study guide — CSIR-NET December 2026: Exam Dates Announced, Application Notification Still Awaited
CSIR-NET

CSIR-NET December 2026: Exam Dates Announced, Application Notification Still Awaited

2026-09-29
Exam update — IIT-JAM 2027: Application Window and Exam Date for Chemistry Aspirants
Exam Updates

IIT-JAM 2027: Application Window and Exam Date for Chemistry Aspirants

2026-09-29
Exam update — GATE 2027 Registration Deadline Extended to 5 October: What Chemistry Candidates Should Do Now
Exam Updates

GATE 2027 Registration Deadline Extended to 5 October: What Chemistry Candidates Should Do Now

2026-09-29
Chemistry study guide — Using the NCERT Textbook Properly
Class 11

Using the NCERT Textbook Properly

2026-09-26
Exam update — Gravimetric and Volumetric Analysis: Principles and Sources of Error
Chemical Science Exams

Gravimetric and Volumetric Analysis: Principles and Sources of Error

2026-09-26
Exam update — Comparing Acidity and Basicity in Organic Compounds
Chemical Science Exams

Comparing Acidity and Basicity in Organic Compounds

2026-09-26
Exam update — Order and Molecularity: Determining Order From Data
Chemical Science Exams

Order and Molecularity: Determining Order From Data

2026-09-26
Exam update — Transition Metals: Why They Behave as a Group
Chemical Science Exams

Transition Metals: Why They Behave as a Group

2026-09-25
Chemistry study guide — VSEPR Shapes: A Method That Works for Any Molecule
Class 11

VSEPR Shapes: A Method That Works for Any Molecule

2026-09-25
Exam update — Buffers: How They Work and Where They Stop Working
Chemical Science Exams

Buffers: How They Work and Where They Stop Working

2026-09-25
Exam update — Periodic Trends From One Idea: Effective Nuclear Charge
Chemical Science Exams

Periodic Trends From One Idea: Effective Nuclear Charge

2026-09-25
Exam update — Nucleophilic Addition to Carbonyls: Reactivity and Selectivity
Chemical Science Exams

Nucleophilic Addition to Carbonyls: Reactivity and Selectivity

2026-09-25
Exam update — The Harmonic Oscillator and Rigid Rotor as Quantum Models
Chemical Science Exams

The Harmonic Oscillator and Rigid Rotor as Quantum Models

2026-09-24
Chemistry study guide — Diagrams and Graphs Worth Practising for the Class 12 Chemistry Paper
class 11-12 chemistry

Diagrams and Graphs Worth Practising for the Class 12 Chemistry Paper

2026-09-24
Exam update — Drawing Mechanisms: Curly Arrow Conventions That Earn Marks
Chemical Science Exams

Drawing Mechanisms: Curly Arrow Conventions That Earn Marks

2026-09-24
Exam update — Crystal Field Splitting in Tetrahedral and Square Planar Complexes
Chemical Science Exams

Crystal Field Splitting in Tetrahedral and Square Planar Complexes

2026-09-24
Exam update — Catalysis Compared: Homogeneous, Heterogeneous and Enzymatic
Chemical Science Exams

Catalysis Compared: Homogeneous, Heterogeneous and Enzymatic

2026-09-24
Exam update — Solubility Product, Common Ion Effect and Selective Precipitation
Chemical Science Exams

Solubility Product, Common Ion Effect and Selective Precipitation

2026-09-23
Chemistry study guide — Class 12 Named Reactions: Organised by What They Do
class 11-12 chemistry

Class 12 Named Reactions: Organised by What They Do

2026-09-23
Exam update — Titration Principles: Choosing the Right Indicator
Chemical Science Exams

Titration Principles: Choosing the Right Indicator

2026-09-23
Exam update — Freezing Point Depression and Boiling Point Elevation
Chemical Science Exams

Freezing Point Depression and Boiling Point Elevation

2026-09-23
Exam update — Infrared Spectroscopy: Reading a Spectrum for Functional Groups
Chemical Science Exams

Infrared Spectroscopy: Reading a Spectrum for Functional Groups

2026-09-23
Exam update — Operators, Commutators and Expectation Values
Chemical Science Exams

Operators, Commutators and Expectation Values

2026-09-22
Chemistry study guide — The Last Week Before a Chemistry Exam
Class 11

The Last Week Before a Chemistry Exam

2026-09-22
Exam update — Stereochemistry of Cyclic and Fused Ring Systems
Chemical Science Exams

Stereochemistry of Cyclic and Fused Ring Systems

2026-09-22
Exam update — Nitrogen Fixation: Why It Is Hard and How It Is Done
Chemical Science Exams

Nitrogen Fixation: Why It Is Hard and How It Is Done

2026-09-22
Exam update — Chemical Equilibrium: Beyond Le Chatelier
Chemical Science Exams

Chemical Equilibrium: Beyond Le Chatelier

2026-09-22
Exam update — Valence Bond and Molecular Orbital Theory: What Each Explains
Chemical Science Exams

Valence Bond and Molecular Orbital Theory: What Each Explains

2026-09-21
Chemistry study guide — The Mole Concept: The Four Errors That Cost Most Marks
Class 11

The Mole Concept: The Four Errors That Cost Most Marks

2026-09-21
Exam update — Wave–Particle Duality and the Uncertainty Principle
Chemical Science Exams

Wave–Particle Duality and the Uncertainty Principle

2026-09-21
Exam update — Surface Tension and Viscosity: Two Properties, One Cause
Chemical Science Exams

Surface Tension and Viscosity: Two Properties, One Cause

2026-09-21
Exam update — Interhalogen Compounds and Pseudohalogens
Chemical Science Exams

Interhalogen Compounds and Pseudohalogens

2026-09-21
Exam update — Sigmatropic Rearrangements: Cope, Claisen and the Numbering
Chemical Science Exams

Sigmatropic Rearrangements: Cope, Claisen and the Numbering

2026-09-20
Chemistry study guide — Electrochemistry Numericals (Class 12): Nernst, Conductance and Faraday
class 11-12 chemistry

Electrochemistry Numericals (Class 12): Nernst, Conductance and Faraday

2026-09-20
Exam update — Polymerisation Mechanisms and What They Predict
Chemical Science Exams

Polymerisation Mechanisms and What They Predict

2026-09-20
Exam update — The Third Law and Absolute Entropies
Chemical Science Exams

The Third Law and Absolute Entropies

2026-09-20
Exam update — Electrophilic Aromatic Substitution: Rate and Orientation
Chemical Science Exams

Electrophilic Aromatic Substitution: Rate and Orientation

2026-09-20
Exam update — Magnetic Properties: When the Spin-Only Formula Works and When It Fails
Chemical Science Exams

Magnetic Properties: When the Spin-Only Formula Works and When It Fails

2026-09-19
Exam update — Attempt Strategy for Chemistry Entrance Papers
Chemical Science Exams

Attempt Strategy for Chemistry Entrance Papers

2026-09-19
Exam update — Terpenes and the Isoprene Rule
Chemical Science Exams

Terpenes and the Isoprene Rule

2026-09-19
Exam update — The Clausius–Clapeyron Equation and Vapour Pressure
Chemical Science Exams

The Clausius–Clapeyron Equation and Vapour Pressure

2026-09-19
Exam update — Nitrogen and Phosphorus: Same Group, Very Different Chemistry
Chemical Science Exams

Nitrogen and Phosphorus: Same Group, Very Different Chemistry

2026-09-19
Exam update — Michael Addition: Conjugate Addition and Where It Leads
Chemical Science Exams

Michael Addition: Conjugate Addition and Where It Leads

2026-09-18
Exam update — Non-Aqueous Solvents: Chemistry Water Cannot Support
Chemical Science Exams

Non-Aqueous Solvents: Chemistry Water Cannot Support

2026-09-18
Chemistry study guide — Coordination Compounds (Class 12): Naming, VBT and Crystal Field Basics
class 11-12 chemistry

Coordination Compounds (Class 12): Naming, VBT and Crystal Field Basics

2026-09-18
Exam update — Error Analysis and Significant Figures in Chemical Measurement
Chemical Science Exams

Error Analysis and Significant Figures in Chemical Measurement

2026-09-18
Exam update — Reduction Methods: Choosing a Reagent That Reduces Only What You Want
Chemical Science Exams

Reduction Methods: Choosing a Reagent That Reduces Only What You Want

2026-09-18
Exam update — Actinides: Why They Behave So Differently From Lanthanides
Chemical Science Exams

Actinides: Why They Behave So Differently From Lanthanides

2026-09-17
Exam update — Electrochemical Cells: Notation, Sign Conventions and the Nernst Equation
Chemical Science Exams

Electrochemical Cells: Notation, Sign Conventions and the Nernst Equation

2026-09-17
Exam update — Combined Spectroscopy Problems: A Working Order
Chemical Science Exams

Combined Spectroscopy Problems: A Working Order

2026-09-17
Exam update — The Ellingham Diagram: Thermodynamics Deciding an Industrial Process
Chemical Science Exams

The Ellingham Diagram: Thermodynamics Deciding an Industrial Process

2026-09-17
Exam update — Inductive, Resonance and Hyperconjugative Effects Compared
Chemical Science Exams

Inductive, Resonance and Hyperconjugative Effects Compared

2026-09-17
Exam update — Amino Acids and Peptides: Zwitterions, pI and the Peptide Bond
Chemical Science Exams

Amino Acids and Peptides: Zwitterions, pI and the Peptide Bond

2026-09-16
Chemistry study guide — Organic Conversions: A Method for Getting From A to B
Class 11–12 Chemistry

Organic Conversions: A Method for Getting From A to B

2026-09-16
Exam update — Determining Polymer Molar Mass: Which Average and Which Method
Chemical Science Exams

Determining Polymer Molar Mass: Which Average and Which Method

2026-09-16
Exam update — Oxidation Methods Compared: Choosing the Right Reagent
Chemical Science Exams

Oxidation Methods Compared: Choosing the Right Reagent

2026-09-16
Exam update — ESR Spectroscopy: Detecting and Identifying Unpaired Electrons
Chemical Science Exams

ESR Spectroscopy: Detecting and Identifying Unpaired Electrons

2026-09-16
Exam update — Acid–Base Theories Compared, and When Each One Runs Out
Chemical Science Exams

Acid–Base Theories Compared, and When Each One Runs Out

2026-09-15
Exam update — Isomerism in Coordination Compounds: Every Type With Its Test
Chemical Science Exams

Isomerism in Coordination Compounds: Every Type With Its Test

2026-09-15
Exam update — Silicates and Silicones: Structure From One Building Block
Chemical Science Exams

Silicates and Silicones: Structure From One Building Block

2026-09-15
Exam update — Carbocation Rearrangements: Predicting the Unexpected Product
Chemical Science Exams

Carbocation Rearrangements: Predicting the Unexpected Product

2026-09-15
Exam update — Substitution in Octahedral Complexes: Dissociative or Associative
Chemical Science Exams

Substitution in Octahedral Complexes: Dissociative or Associative

2026-09-15
Exam update — Five-Membered Heterocycles: Aromaticity and Reactivity Order
Chemical Science Exams

Five-Membered Heterocycles: Aromaticity and Reactivity Order

2026-09-14
Chemistry study guide — Reading Graphs and Data in Chemistry Questions
Class 11

Reading Graphs and Data in Chemistry Questions

2026-09-14
Exam update — The Thermodynamics of Mixing
Chemical Science Exams

The Thermodynamics of Mixing

2026-09-14
Exam update — Catalytic Cycles: Hydroformylation and the Wacker Process
Chemical Science Exams

Catalytic Cycles: Hydroformylation and the Wacker Process

2026-09-14
Exam update — Organolithium and Organocuprate Reagents
Chemical Science Exams

Organolithium and Organocuprate Reagents

2026-09-14
Exam update — Crystal Defects and Non-Stoichiometry
Chemical Science Exams

Crystal Defects and Non-Stoichiometry

2026-09-13
Chemistry study guide — Salt Analysis and Practical Viva: What Is Actually Asked
Class 11–12 Chemistry

Salt Analysis and Practical Viva: What Is Actually Asked

2026-09-13
Exam update — Diazonium Salts: The Most Versatile Intermediate in Aromatic Chemistry
Chemical Science Exams

Diazonium Salts: The Most Versatile Intermediate in Aromatic Chemistry

2026-09-13
Exam update — Osmotic Pressure and the van't Hoff Factor
Chemical Science Exams

Osmotic Pressure and the van't Hoff Factor

2026-09-13

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