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    GATE Chemistry Syllabus 2027 (Out) - Check Detailed Syllabus Here

    GATE Chemistry Syllabus 2027 (Out) - Check Detailed Syllabus Here

    Kanak MukhijaUpdated on 21 Jul 2026, 05:48 PM IST

    GATE Chemistry Syllabus 2027 - IIT Madras has released the GATE 2027 Chemistry (CY) syllabus on the official website. The syllabus is divided into three major sections: Physical Chemistry, Inorganic Chemistry, and Organic Chemistry, along with the General Aptitude section. Candidates preparing for the GATE 2027 Chemistry paper can download the latest syllabus PDF and check the subject-wise topics prescribed for the examination. The GATE 2027 syllabus has been revised for all test papers, and aspirants are advised to refer to the updated syllabus while planning their preparation for GATE 2027. The GATE examination will be conducted in computer-based test (CBT) mode.
    Direct link to check the GATE 2027 Chemistry Syllabus

    This Story also Contains

    1. GATE Syllabus for Physical Chemistry 2027
    2. GATE Syllabus 2027 for Inorganic Chemistry
    3. GATE Syllabus 2027 for Organic Chemistry
    4. GATE Chemistry 2027 important books
    GATE Chemistry Syllabus 2027 (Out) - Check Detailed Syllabus Here
    GATE Chemistry Syllabus 2027

    Aspirants should also solve the GATE Chemistry previous year question papers after completing the syllabus. Candidates can download the GATE Chemistry syllabus 2027 PDF for better exam preparation. The GATE 2027 chemistry syllabus pdf helps students to know the important topics and chapters. Read the complete article to learn about the gate syllabus for chemistry. The paper code for GATE chemistry is CY.

    GATE Chemistry Syllabus 2027

    Candidates can check the detailed GATE 2027 syllabus for Chemistry on this page. The GATE 2027 chemistry syllabus pdf download link has been activated by the authorities on the website, gate2027.iitg.ac.in.

    Related links:

    GATE Syllabus for Physical Chemistry 2027

    Chapters
    Topics
    StructurePostulates of quantum mechanics. Operators. Commutation relations and expectations values; the role of the wave function and its absolute squares, time dependent and time independent Schrödinger equations. Born interpretation. Dirac bra-ket notation. Examples of model solvable quantum mechanical systems.
    Particle in a Box
    Solutions and interpretations for finite length and infinite potential barrier; concept of tunnelling; particle in 1D, 2D and 3D-boxes; applications.
    Harmonic Oscillator
    Exact solutions of wave functions, properties of Hermite polynomials. eigenvalues in one dimension. Calculation of expectation values for potential and kinetic energy, harmonic and anharmonic potentials
    Rotational Motion
    Angular momentum operators (orbital and spin), spherical harmonics and their properties.
    Hydrogen and Hydrogen-like Atoms
    Atomic orbitals; radial and angular distribution functions and their probabilities; Atomic units, Multi-electron atoms: Orbital approximation; electron spin; Pauli exclusion principle; Slater determinants. Variational method and secular determinants; first order non-degenerate perturbation techniques.
    Molecular Structure and Chemical Bonding
    Born-Oppenheimer approximation; Valence bond theory treatment for hydrogen molecule and linear combination of atomic orbitals – molecular orbitals (LCAO-MO) theory. Concept of hybridization and hybrid orbitals. Applications of LCAO-MO theory to H2 + , H2; Molecular orbital theory (MOT) of homo- and heteronuclear diatomic molecules. Hückel theory, applications to simple molecules, small conjugated π-electron systems.
    Group Theory
    Symmetry elements and symmetry operations. Basic postulates of groups and group multiplication tables. Classes, reducible and irreducible representations of symmetry elements. Classification and labelling of molecular point groups. Symmetry based selection rules and their application to electronic and vibrational spectroscopy. Internal coordinates and symmetry labelling of vibrational modes; symmetry adapted linear combination of atomic orbitals (LCAO-MO); construction of hybrid orbitals using molecular point group symmetry.
    Spectroscopy
    Atomic spectroscopy; Russell-Saunders coupling; Term symbols and spectral details; origin of selection rules. Rotational, Vibrational, Electronic and Raman spectroscopy of diatomic and simple polyatomic molecules. Line broadening and line widths; simple properties of Gaussian and Lorentzian line shapes. Molecular spectroscopy: Absorbance, Beer- Lambert’s law, Einstein’s coefficient, Jablonski diagram. Relationship of transition moment integral with molar extinction coefficient and oscillator strength. Basic principles of Nuclear Magnetic Resonance: Gyromagnetic ratio; Chemical shift, nuclear coupling.
    Equilibrium
    Laws of thermodynamics. Standard states. Thermochemistry. Thermodynamic functions and their relationships: Gibbs-Helmholtz and Maxwell relations, Gibbs-Duhem equation, Van’t Hoff equation. Criteria of spontaneity and equilibrium. Absolute entropy. Partial molar quantities. Thermodynamics of mixing. Chemical potential. Fugacity, Activity and Activity coefficient. Chemical equilibria. Dependence of equilibrium constant on temperature and pressure.
    Solutions
    Ideal and non-ideal solutions, Raoult’s Law and Henry’s Law.
    Electrochemistry
    Standard electrode potential and electrochemical cells. Nernst Equation and its application, relationship between electrode potential and thermodynamic quantities, Potentiometric and conductometric titrations. Ionic mobility and conductivity. Kohlrausch’s law, Debye-Hückel limiting law. Debye-HückelOnsager equation.
    Phase Equilibria
    Phase rule. Clausius- Clapeyron equation. Phase diagram of one component system: CO2, H2O, S; two component systems: liquid-vapor, liquid-liquid and solid-liquid systems. Fractional distillation. Azeotropes and Eutectics.
    Statistical Thermodynamics
    Micro-canonical, Canonical and Grand canonical ensembles, Boltzmann distribution, Partition functions and thermodynamic properties. Statistical mechanics of non-interacting systems, ideal monoatomic, diatomic gases, translational, rotational, vibrational and electronic partition functions.
    Kinetics and Reaction Dynamics
    Elementary, parallel, opposing, and consecutive reactions. Steady state approximation. Mechanism of complex reactions. Unimolecular reactions. Potential energy surface and classical trajectories, Concept of saddle points, Transition state theory: Eyring equation, thermodynamic aspects. Kinetics of polymerization. Catalysis concepts and enzyme catalysis. Kinetic isotope effects. Fast reaction kinetics: relaxation and flow methods. Diffusion controlled reactions. Kinetics of unimolecular and bimolecular photophysical processes, Quantum yield calculation, static and dynamic quenching.
    Surfaces and Interfaces
    Physisorption and chemisorption. Langmuir, Freundlich and Brunauer-Emmett-Teller (BET) isotherms. Surface catalysis: Langmuir-Hinshelwood mechanism. Surface tension, viscosity, Selfassembly/ physical chemistry of colloids, micelles and macromolecules.
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    GATE Syllabus 2027 for Inorganic Chemistry

    ChaptersTopics
    Main Group Elements
    Shapes and structures of molecules using VSEPR postulates, Hydrides, halides, oxides, oxoacids, nitrides, sulfides - shapes and reactivity. Structure and bonding of boranes, carboranes, silicones, silicates, boron nitride, borazine and phosphazenes: electron counting in polyhedral boranes, isolobal analogy. Allotropes of carbon, phosphorus and sulfur. Industrial synthesis of compounds of main group elements such as NH3, H2SO4 and HNO3. Chemistry of noble gases and interhalogen compounds. Acid-base concepts and principles (Lewis, Brønsted, HSAB and acid-base catalysis).
    Transition MetalsCoordination chemistry – structure and isomerism, theories of bonding (VBT, CFT, and MOT). Metal-metal multiple bonds. Energy level diagrams in various crystal fields, CFSE, applications of CFT, Jahn-Teller distortion. Electronic spectra of transition metal complexes: spectroscopic term symbols, selection rules, Orgel and Tanabe-Sugano diagrams, nephelauxetic effect and Racah parameter, charge-transfer spectra. Magnetic properties of transition metal complexes. Ray-Dutt and Bailar twists, Reaction mechanisms: kinetic and thermodynamic stability, associative, dissociative substitution and redox reactions.
    Lanthanides and Actinides
    Recovery. Periodic properties, spectral and magnetic properties
    Organometallics18-Electron rule; metal-alkyl, metal-carbonyl, metal-olefin and metal-carbene complexes and metallocenes. Fluxionality in organometallic complexes. Types of organometallic reactions. Homogeneous catalysis – Hydrogenation, hydroformylation, methanol to acetic acid process, olefin metathesis and Wacker oxidation. Heterogeneous catalysis – Fischer-Tropsch reaction, Ziegler-Natta polymerization.
    Bioinorganic ChemistryIon (Na+ and K+ ) transport, oxygen binding, transport and utilization, electron transfer reactions, nitrogen fixation, metalloenzymes containing magnesium, molybdenum, iron, cobalt, copper and zinc.
    Solids
    Crystal systems and lattices, Miller planes, crystal packing, crystal defects, Bragg’s law, ionic crystals, structure of AX, AX2, ABX3 type compounds, spinels, band theory, metals and semiconductors, Zeolites and their applications.
    Instrumental Methods of AnalysisUV-visible, fluorescence and FT-IR spectrophotometry, NMR and ESR spectroscopy, mass spectrometry, atomic absorption spectroscopy, Mössbauer spectroscopy (Fe and Sn) and Xray crystallography. Electroanalytical methods – cyclic voltammetry, ion-selective electrodes. Thermo-analytical methods: TGA, DTA and DSC.
    GATE 2027 Syllabus (All Subjects)
    Download the GATE 2027 subject-wise syllabus PDF and prepare with the latest topics, section-wise weightage, and exam pattern for your chosen discipline.
    Check Now


    GATE Syllabus 2027 for Organic Chemistry

    ChaptersTopics
    Stereochemistry
    Chirality and symmetry of organic molecules with or without chiral centres and determination of their absolute configurations and optical purity. Relative stereochemistry in compounds having more than one stereogenic centre. Homotopic, enantiotopic and diastereotopic atoms, groups and faces. Conformational analysis of acyclic and cyclic compounds. Geometrical isomerism and optical isomerism. Configurational and conformational effects, atropisomerism, and neighbouring group participation on reactivity and selectivity/specificity. Stereoselective and stereospecific synthesis. Enantiomeric excess.
    General Concepts
    Structure dependence on properties such as basicity and acidity. Role of aromatic stability on physical properties of organic compounds.
    Reaction MechanismsBasic mechanistic concepts and energy profile diagrams - kinetics versus thermodynamic control, Hammond’s postulate and Curtin-Hammett principle. Methods of determining reaction mechanisms through kinetics, identification of products, intermediates and isotopic labelling. Solvent effects in substitution and elimination reactions. Linear free-energy relationship – Hammett and Taft equations.
    Types of Reactions
    Nucleophilic and electrophilic substitution reactions (both aromatic and aliphatic). Addition reactions to carbon-carbon and carbon-heteroatom (N and O) multiple bonds. Elimination reactions. Reactive intermediates – carbocation, carbanion, carbenes, nitrenes, arynes and free radicals. Molecular rearrangements. Barton decarboxylation and Barton-McCombie reaction, Hunsdiecker reaction.
    Organic SynthesisSynthesis, reactions, mechanisms and selectivity involving the following classes of compounds – alkenes, alkynes, arenes, alcohols, phenols, aldehydes, ketones, carboxylic acids, esters, nitriles, halides, nitro compounds, amines and amides. Uses of Mg, Li, Cu, B, Zn, P, S, Sn and Si based reagents in organic synthesis. Carbon-carbon bond formation through coupling reactions – Heck, Suzuki, Stille, Sonogashira, Negishi, Kumada, Hiyama, Tsuji-Trost reactions; olefin metathesis, McMurry coupling and Buchwald-Hartwig amination reactions. Baylis-Hillman, Henry, Ritter, Sakurai, Tebbe olefination, Pauson-Khand and Nazarov cyclization reactions. Concepts of multistep synthesis – retrosynthetic analysis, strategic disconnections, synthons and synthetic equivalents. Atom economy and green chemistry, Umpolung reactivity – formyl and acyl anion equivalents. Selectivity in organic synthesis – chemo-, regio- and stereoselectivity. Protection and deprotection of functional groups. Concepts of asymmetric synthesis – resolution (including enzymatic), desymmetrization and use of chiral auxiliaries, organocatalysis. Carbon-carbon and carbonheteroatom bond forming reactions through enolates (including boron enolates), enamines and silyl enol ethers. Stereoselective addition to C=O groups (Cram, Prelog and Felkin-Anh models). Asymmetric aldol reactions – Evans reaction and proline catalyzed reaction.
    Oxidation
    Oxidation of alcohols involving metal and non-metal-based (chromium, manganese, DMSO, and hypervalent iodine) reagents. Peracid oxidation of alkenes and carbonyls. Alkenes to diols (manganese and osmium-based reagents), alkenes to carbonyls with bond cleavage (ozonolysis), and alkenes to alcohols/carbonyls without bond cleavage (hydroboration-oxidation). Asymmetric epoxidations (Sharpless and Jacobsen) and Sharpless asymmetric hydroxylation.
    ReductionCatalytic homogeneous and heterogeneous hydrogenation. Metal based reductions using Li/Na in liquid ammonia, magnesium, zinc, titanium, and samarium. Hydride transfer reagents: NaBH4, L-selectride, K-selectride, Luche reduction, LiAlH4 and DIBAL-H.
    Pericyclic Reactions and PhotochemistryElectrocyclic, cycloaddition and sigmatropic reactions. Orbital correlations - FMO and PMO treatments, Woodward-Hoffmann rule. Photo Chemistry of alkenes, arenes and carbonyl compounds. Photooxidation and photoreduction. Di-π-methane rearrangement, Barton-McCombie reaction, Norrish type-I and II cleavage reaction.
    Electrocyclic, cycloaddition and sigmatropic reactions. Diels-Alder reaction, Claisen and Cope rearrangements and their applications in organic synthesis. FMO method of analysis. Woodward-Hoffmann rules. Photochemistry of alkenes, arenes and carbonyl compounds. Photo-oxidation and photo-reduction. Di-π-methane rearrangements, Norrish type-I and II reactions. Paternό-Büchi reaction, PhotoCurtius and Wolff rearrangements. Barton and Hofmann-Lӧffler-Freytag reactions.
    Heterocyclic Compounds
    Nomenclature of mono- and bicyclic, as well as mono- and di-heteroatomic compounds, Structure, preparation, properties and reactions of furan, pyrrole, thiophene, pyridine, indole, quinoline and isoquinoline.
    BiomoleculesStructure, properties and reactions of mono- and di-saccharides, physicochemical properties of amino acids, chemical synthesis of peptides, chemical structure determination of peptides and proteins, structural features of proteins, nucleic acids, lipids, steroids, terpenoids, carotenoids, and alkaloids.
    Experimental techniques in Organic Chemistry
    Optical rotation (polarimetry). Application of various chromatographic techniques such as thin-layer, column, HPLC and GC. Applications of UV-visible, IR, NMR spectroscopy and Mass spectrometry in the structural determination of organic molecules.
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    GATE Chemistry 2027 important books

    It is important for GATE 2027 aspirants to know the important books for GATE 2027 Chemistry exam preparation. The following books can be used by candiadtes to prepare for the chemistry GATE 2027 exam.

    Book NameAuthor

    Concept Check in Organic Chemistry Tauheed Nadeem

    Avinash More

    Success Guide to Inorganic Chemistry

    Tauheed Nadeem

    3,000 Solved Problems In Chemistry (Schaum’s Outline Series)

    David E Goldberg

    Chapterwise GATE Chemistry Solved Papers (2014-2000)

    Arihant Publications

    Frequently Asked Questions (FAQs)

    Q: What are the important topics in the GATE 2027 Chemistry syllabus?
    A:

    The important topics of the GATE Chemistry syllabus 2027 includes-Thermodynamics, Reaction Mechanism, Chemical Kinetics, Organometallics, Main Group Elements, Stereo chemistry and Spectroscopy

    Q: What is the duration of the GATE exam 2027 ?
    A:

    The duration of the GATE 2027 examination will be of three hours.

    Q: What is the combination available for the GATE Chemistry 2027 exam?
    A:

    For GATE 2027 Chemistry exam, the candidates can avail the combination of Chemical Engineering (CH) and Life Sciences (XL).

    Q: What are the major sections covered in the Chemistry syllabus?
    A:

    The Chemistry syllabus typically includes sections such as Physical Chemistry, Inorganic Chemistry, Organic Chemistry, and General Aptitude.

    Q: Is the syllabus the same every year?
    A:

    While the core topics remain relatively consistent, minor changes might occur. It's advisable to refer to the latest syllabus for accuracy.

    Q: Are there any recommended reference materials for Chemistry preparation?
    A:

    Yes, there are various textbooks and study resources available that align with the GATE Chemistry syllabus. Candidates can choose from a range of options based on their preferences.

    Q: How important is General Aptitude in the Chemistry paper?
    A:

    General Aptitude is a common section in all GATE papers and contributes to the overall score. It includes language and analytical skills.

    Q: Is GATE Chemistry Syllabus 2027 released?
    A:

    Yes, the GATE 2027 chemistry syllabus has been released on the official website.

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