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Organic Chemistry — 52 articles

Every ABC Chemistry article tagged Organic Chemistry.

Articles

Organic reaction schemes with mark distribution bar charts and highlighted functional group structures
Organic Chemistry

GATE Chemistry: Organic Chemistry Weightage and Where to Focus Revision

2026-10-02
Reaction energy diagram showing hydrogen and deuterium bond cleavage activation energy profiles
Organic Chemistry

Kinetic Isotope Effects: What They Reveal About a Mechanism

2026-10-02
Reaction scheme showing terminal alkyne and organic azide forming a triazole ring via copper catalyst
Organic Chemistry

Click Chemistry: The Copper-Catalysed Azide–Alkyne Cycloaddition

2026-10-01
Hammett reaction plot showing linear correlation between substituent constants and log k values
Organic Chemistry

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

2026-10-01
Carboxylic acid, phenol, and amine chemical structures showing electron delocalization and resonance arrows
Organic Chemistry

Comparing Acidity and Basicity in Organic Compounds

2026-09-26
Curved electron pushing arrow attacking carbonyl carbon atom in acetone molecule diagram
Organic Chemistry

Nucleophilic Addition to Carbonyls: Reactivity and Selectivity

2026-09-25
Curly curved arrows showing electron movement between nucleophile lone pairs and electrophilic carbon
Organic Chemistry

Drawing Mechanisms: Curly Arrow Conventions That Earn Marks

2026-09-24
Structural formulas of organic molecules with labeled transformation pathways and reaction arrows
Organic Chemistry

Class 12 Named Reactions: Organised by What They Do

2026-09-23
Infrared spectrum graph displaying wavenumber peaks across functional group and fingerprint regions
Organic Chemistry

Infrared Spectroscopy: Reading a Spectrum for Functional Groups

2026-09-23
Chair-conformation models of cis and trans decalin rings with equatorial and axial bonds highlighted.
Organic Chemistry

Stereochemistry of Cyclic and Fused Ring Systems

2026-09-22
Chair conformation transition state showing numbered six-carbon Cope rearrangement bond shifts
Organic Chemistry

Sigmatropic Rearrangements: Cope, Claisen and the Numbering

2026-09-20
Growing polymer chain showing repeating monomer units and tacticity stereocentres along the backbone
Organic Chemistry

Polymerisation Mechanisms and What They Predict

2026-09-20
Benzene ring undergoing electrophilic attack with resonance-stabilised arenium ion intermediates
Organic Chemistry

Electrophilic Aromatic Substitution: Rate and Orientation

2026-09-20
Head to tail connected isoprene skeletal units mapped onto monoterpene and sesquiterpene molecules
Organic Chemistry

Terpenes and the Isoprene Rule

2026-09-19
Enolate ion attacking an alpha beta unsaturated carbonyl compound with molecular reaction mechanisms
Organic Chemistry

Michael Addition: Conjugate Addition and Where It Leads

2026-09-18
Chemical flask containing reacting organic solution beside structural formulas showing selective reduction
Organic Chemistry

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

2026-09-18
Infrared spectrum, mass spectrum, and NMR chemical shift peaks aligned around a molecular formula
Organic Chemistry

Combined Spectroscopy Problems: A Working Order

2026-09-17
Carbocation structures showing electron push-pull arrows, p-orbital overlap, and resonance hybrids
Organic Chemistry

Inductive, Resonance and Hyperconjugative Effects Compared

2026-09-17
Chemical diagram of a zwitterionic amino acid alongside a planar peptide bond and an electrophoresis gel
Organic Chemistry

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

2026-09-16
Flowchart diagram mapping chemical reactions between aliphatic functional groups with molecular structures
Organic Chemistry

Organic Conversions: A Method for Getting From A to B

2026-09-16
Primary alcohol molecule transforming into aldehyde and carboxylic acid via selective reagent pathways.
Organic Chemistry

Oxidation Methods Compared: Choosing the Right Reagent

2026-09-16
Chemical mechanism diagram showing a carbocation intermediate, curved arrows, and a ring expansion
Organic Chemistry

Carbocation Rearrangements: Predicting the Unexpected Product

2026-09-15
Chemical structures of pyrrole, furan, and thiophene rings with electrophilic attack arrows at C2
Organic Chemistry

Five-Membered Heterocycles: Aromaticity and Reactivity Order

2026-09-14
Flask of organolithium reagent reacting with an enone alongside 1,2 and 1,4 addition schemes
Organic Chemistry

Organolithium and Organocuprate Reagents

2026-09-14
Benzenediazonium chloride chemical structure next to glass flasks forming colorful bright azo dyes
Organic Chemistry

Diazonium Salts: The Most Versatile Intermediate in Aromatic Chemistry

2026-09-13
Chemical reaction diagram showing neighbouring group participation with a cyclic intermediate
Organic Chemistry

Neighbouring Group Participation: When a Reaction Is Faster Than It Should Be

2026-09-12
Reaction flask with deep blue sodium in liquid ammonia solution reducing a benzene ring
Organic Chemistry

Birch Reduction and Dissolving Metal Reactions

2026-09-12
Mass spectrometer graph showing molecular ion and fragmentation peaks
Organic Chemistry

Mass Spectrometry: Reading Fragmentation Patterns

2026-09-11
Phosphorus ylide molecule reacting with a carbonyl to form an alkene ring
Organic Chemistry

The Wittig Reaction: Making Alkenes Where You Want Them

2026-09-11
Alkane halogenation mechanism diagram with radical unpaired electron dots and bond-cleavage arrows
Organic Chemistry

Free Radical Reactions: Chain Mechanisms and Selectivity

2026-09-10
Chemical reaction scheme showing benzene ring with triple bond intermediate and nucleophilic attack
Organic Chemistry

Aromatic Nucleophilic Substitution and the Benzyne Mechanism

2026-09-09
3D ball-and-stick model of cyclohexane chair conformation highlighting axial and equatorial hydrogen atoms.
Organic Chemistry

Conformational Analysis of Cyclohexane

2026-09-08
Laboratory bench with a glass Liebig distillation setup, TLC chromatography paper plate, and burner.
Organic Chemistry

Purification and Analysis of Organic Compounds (Class 11)

2026-09-08
Chalkboard showing a complex organic molecule disconnected into smaller synthon fragments with retrosynthetic arrows.
Organic Chemistry

Retrosynthetic Analysis: Thinking Backwards From the Target

2026-09-08
Organic chemical reaction scheme showing alcohol functional group protected with a silyl ether group
Organic Chemistry

Protecting Groups: When to Use One and How to Choose

2026-09-07
Glucose ring opening and closing between Fischer projection and alpha-beta Haworth pyranose rings
Organic Chemistry

Carbohydrate Structure: Anomers, Mutarotation and Ring Forms

2026-09-06
Enolate resonance structure reacting with a carbonyl carbon to form a beta-hydroxy aldehyde
Organic Chemistry

Aldol Condensation and Enolate Chemistry

2026-09-04
Pair of non-superimposable mirror-image chiral molecules beside a chiral catalyst structure
Organic Chemistry

Asymmetric Synthesis: How Enantioselectivity Is Actually Achieved

2026-09-04
Anhydrous round-bottom flask with ether solvent and magnesium turnings on a magnetic stirrer
Organic Chemistry

Grignard Reagents: What They Make and What Destroys Them

2026-09-04
Molecular models of singlet and triplet carbene intermediates showing non-bonding electron spin pairs
Organic Chemistry

Carbenes and Nitrenes: Structure, Spin State and Reactions

2026-09-03
Alkene double bond reacting with hydrogen halide via carbocation intermediate to form alkyl halide
Organic Chemistry

Electrophilic Addition to Alkenes: Regiochemistry and Stereochemistry

2026-09-03
Alkyl halide substrate undergoing E1 and E2 elimination with curved arrows leading to Saytzeff alkene
Organic Chemistry

E1 and E2 Elimination: Saytzeff, Hofmann and Which Alkene Forms

2026-09-03
Planar carbocation intermediate alongside backside attack transition state model with umbrella inversion
Organic Chemistry

SN1 versus SN2: The Complete Comparison

2026-09-02
Ketone and oxime chemical structures undergoing molecular rearrangement with migratory curved arrows
Organic Chemistry

Named Rearrangements: Four Reactions, One Pattern

2026-09-02
Skeletal structures of branched alkanes with functional groups, ball-and-stick cis-trans isomer models
Organic Chemistry

Organic Chemistry Basics (Class 11): IUPAC Naming and Isomerism

2026-09-02
A planar benzene ring with overlapping p-orbitals, circulating pi electron clouds, and counting steps.
Organic Chemistry

Aromaticity and Hückel's Rule: Testing Any Ring in Four Steps

2026-09-01
A proton NMR spectrum showing chemical shift peaks, multiplet splitting, and integral step curves.
Organic Chemistry

Structure Determination by NMR: A Method That Works Every Time

2026-08-31
Molecular orbital overlap diagram showing conjugated diene orbitals in a cycloaddition reaction.
Organic Chemistry

Pericyclic Reactions: Woodward–Hoffmann Rules Made Usable

2026-08-31
A 3D tetrahedral chiral carbon model with prioritized numbered functional groups for R and S assign.
Organic Chemistry

CIP Rules and R/S Assignment Without Mistakes

2026-08-30
Tollens silver mirror test in a test tube alongside structural formulas of carbonyl groups and acids
Organic Chemistry

Aldehydes, Ketones and Carboxylic Acids (Class 12): The Reactions You Must Know

2026-08-25
Backside attack nucleophilic substitution diagram alongside planar carbocation intermediate model
Organic Chemistry

Haloalkanes and Haloarenes (Class 12): SN1 versus SN2 Explained Simply

2026-08-24
Benzene ring reaction diagrams, test tubes in a rack, and organic reaction mechanisms on a blackboard
Organic Chemistry

Class 12 Organic Chemistry: Named Reactions You Must Know for Boards

2026-08-22

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