If you are finishing a B.Sc. in Chemistry, or you have just finished one, IIT JAM Chemistry is the exam that can put you in an M.Sc. classroom at an IIT. One three-hour computer-based paper, held once a year, decides whether you get a seat at a campus where most Indian chemists would love to study. The seat is also a strong first step toward a research career, because students who enter an M.Sc. through JAM usually go on to GATE, CSIR NET and funded PhD programmes.

Chandu Biology Classes in Hyderabad is opening a full IIT JAM Chemistry course in two formats: a classroom programme at our Hyderabad centre and a live online programme for students anywhere in India. We already coach IIT JAM Biotechnology, whose paper includes a chemistry section, and we coach CSIR NET aspirants every year. Chemistry here is taught by chemistry teachers, with its own material and its own test series.

This page covers everything you should know before choosing a coaching institute: the dates, the exact pattern, the syllabus, what the cutoffs have really looked like, how the paper behaves, and a plan that fits the time that is left. If something is missing, call +91 9063264052 and ask.

IIT JAM 2027 dates you need right now

IIT Kharagpur is the organising institute for JAM 2027. The key dates, as published on the official JAM website (jam.iitkgp.ac.in) and in the information brochure, are:

If you have not registered yet, do it today. The window closes on 12 October, and the portal becomes slow in the last days. Dates can be extended, and the brochure is the final word, so check jam.iitkgp.ac.in yourself. The session in which Chemistry is held will be printed on your admit card.

IIT JAM Chemistry at a glance

What aspirants usually ask us first

These are the questions that come up in almost every first conversation with an M.Sc. aspirant. The long answers are further down.

• Is the syllabus only B.Sc. level? Yes. The questions are at the standard of a good B.Sc. course. But they are framed as problems and often combine two ideas, so merely having read your college textbooks is not enough.
• Is the qualifying cutoff really that low? In 2026 the general category qualifying mark for Chemistry was 18.65 out of 100. But qualifying only means you can take part in admissions. Getting into a good IIT needs a much higher score.
• Which branch matters most? Physical Chemistry carries the biggest share, followed by Organic and then Inorganic. You need all three.
• Do I need coaching? Many students succeed with self-study. Coaching helps if you want a fixed schedule, someone to check your problem-solving, and regular timed tests. It does not replace your own practice.
• Can I appear in my final year? Yes. Final-year students are allowed to apply, but you must complete your degree with the required marks before the date of admission.
• How long is enough? Four months of focused work is tight but workable if your B.Sc. fundamentals are decent. Six months is comfortable.

Exam pattern and marking scheme

Every JAM paper has the same three-section structure.

Three things about this pattern change how you should prepare.

1. Half the marks have no penalty. Sections B and C add up to 50 marks with no negative marking. You should attempt every question there. In Section C you have no options to guess from, so the only way to score is to calculate accurately, which means practising numerical problems in thermodynamics, kinetics, electrochemistry, gas laws and quantum chemistry until the arithmetic is automatic.

2. MSQ is the section that surprises people. A question may have one, two or even all four options correct, and you get the 2 marks only if you select all the correct options and none of the wrong ones. There is no partial credit. An MSQ cannot be solved by half-knowing a topic, so it rewards students who understand the reason behind every option.

3. The MCQ penalty makes pure guessing a break-even game. A wrong answer costs one third of the marks, whether the question carries 1 mark or 2. That puts the break-even point at a 25% chance of being right, which is exactly what a blind guess gives you. If you can eliminate even one option, the odds move in your favour. If you have no idea at all, skip it.

Eligibility: who can apply

• Degree. A bachelor’s degree (B.Sc., B.S., B.Tech or equivalent) with the minimum marks below. Final-year students can apply, subject to the conditions in the brochure.
• Minimum marks. At least 55% aggregate (or 5.5 out of 10 CGPA) for General, OBC (NCL) and EWS candidates, and at least 50% (or 5.0 CGPA) for SC, ST and PwD candidates.
• Subject requirements. These are set by the institute offering the M.Sc. programme. For a Chemistry M.Sc., the usual requirement is a bachelor’s degree with Chemistry as a subject, along with Mathematics or Physics for a stated number of years. Always read the admitting institute’s criteria before you pay for a paper.
• Age limit. There is no upper age limit for JAM.
• Two papers. You can appear in up to two papers, for example Chemistry and another paper you are eligible for, as long as the exam sessions do not clash. A separate fee applies for each paper.

What a JAM Chemistry score gets you

A good JAM Chemistry rank opens admission to M.Sc. Chemistry and related programmes at the IITs, such as joint M.Sc.-Ph.D. and dual-degree options, at fees and with facilities that most university departments cannot match. JAM scores are also used by other institutes, including some NITs, through the admission portal.

The real advantage is what comes after. An M.Sc. from an IIT, with its laboratories, instruments and faculty, makes the next steps much easier. Students typically sit for CSIR NET Chemical Sciences or GATE during the M.Sc., and many go on to funded research positions. Chandu Biology Classes coaches CSIR NET Chemical Sciences as well, so there is a continuing path inside the same institute.

Cutoff: what the numbers have actually been

The qualifying marks for IIT JAM Chemistry (out of 100) in recent years were:

Three honest points about these figures:

• The cutoff moves a lot. It dropped by more than seven marks for the General category from 2025 to 2026, because the paper was harder. Do not plan around a number from last year.
• Qualifying is not the same as getting a seat. The qualifying mark only makes you eligible to apply through the admission portal. Each IIT then admits in rank order, and the closing marks for the older IITs are far higher than the qualifying marks. Look at the previous year’s category-wise closing ranks for the IIT and programme you want, and set your target well above them.
• A hard paper helps the well-prepared. When the average score falls, a student who has practised the full pattern, and does not lose marks to negative marking, gains rank very quickly.

The complete IIT JAM Chemistry syllabus

The JAM Chemistry syllabus has three branches: Physical, Organic and Inorganic Chemistry. Published analyses of recent papers suggest that Physical Chemistry carries roughly 40 to 45% of the marks, Organic about 30 to 35%, and Inorganic about 25 to 30%. The weights shift a little each year. The syllabus below follows the structure of the official JAM brochure. Download the 2027 brochure from jam.iitkgp.ac.in and check it against your own notes.

Physical Chemistry

1. Basic mathematical concepts. Functions, limits, differentiation, maxima and minima, integration, simple differential equations, vectors, matrices and determinants, elementary probability and statistics.
2. Atomic and molecular structure. Fundamental particles, Bohr’s theory, wave-particle duality, the uncertainty principle, the Schrödinger equation applied to a particle in a box, the harmonic oscillator and the hydrogen atom, quantum numbers and the shapes of orbitals, many-electron atoms (Aufbau, Pauli and Hund), molecular orbital theory, hybridisation, VSEPR, dipole moments and an introduction to Hückel theory.
3. Theory of gases and the liquid state. Kinetic theory of gases, ideal and real gases, the van der Waals equation, virial equation, Maxwell-Boltzmann distribution, critical phenomena, effusion and diffusion, viscosity, surface tension and the properties of liquids.
4. The solid state. Crystal systems and unit cells, Bragg’s law, packing in ionic and metallic crystals, radius ratio rules, and defects in crystals.
5. Chemical thermodynamics. The first, second and third laws, state functions, enthalpy, entropy, Gibbs and Helmholtz free energies, chemical potential, thermodynamics of mixing and the Gibbs-Duhem equation.
6. Chemical and phase equilibria. The phase rule, phase diagrams of one- and two-component systems, the Clausius-Clapeyron equation, Raoult’s and Henry’s laws, colligative properties, chemical equilibrium (Kp, Kc), and Le Chatelier’s principle.
7. Electrochemistry. Ionic conduction, Kohlrausch’s law, Debye-Hückel theory, galvanic and electrolytic cells, the Nernst equation, standard electrode potentials, pH, buffers and solubility product.
8. Chemical kinetics. Rate laws, order and molecularity, integrated rate equations, the Arrhenius equation, collision theory, transition state theory, chain reactions, the steady-state approximation, catalysis, enzyme kinetics and photochemical reactions.
9. Adsorption. Physisorption and chemisorption, Freundlich and Langmuir isotherms and an introduction to BET.
10. Spectroscopy. The Beer-Lambert law, basic ideas of molecular spectroscopy, UV-visible and IR spectroscopy, and the basics of NMR.

Organic Chemistry

1. Basic concepts and nomenclature. IUPAC nomenclature of all common classes of compounds, electronic effects (inductive, resonance, hyperconjugation), acidity and basicity, and reactive intermediates (carbocations, carbanions, radicals, carbenes).
2. Stereochemistry. Optical isomerism, chirality, enantiomers and diastereomers, R and S nomenclature, E and Z isomerism, conformational analysis (Newman projections, chair and boat forms), racemisation and resolution.
3. Reaction mechanisms. SN1, SN2, E1 and E2 reactions, electrophilic and nucleophilic addition, electrophilic and nucleophilic aromatic substitution, carbonyl chemistry, rearrangements (Beckmann, Pinacol, Baeyer-Villiger, Fries) and free radical reactions.
4. Functional group chemistry and synthetic applications. Preparation and reactions of alkanes, alkenes, alkynes, alcohols, phenols, ethers, epoxides, aldehydes, ketones, carboxylic acids and their derivatives and amines, plus the common named reactions (aldol, Cannizzaro, Wittig, Grignard, Friedel-Crafts and others).
5. Aromatic and heterocyclic chemistry. Aromaticity, benzenoid compounds, and the chemistry of pyridine, pyrrole, furan and thiophene.
6. Qualitative organic analysis. Functional group tests and identification of compounds using UV, IR, 1H NMR and mass spectral data.
7. Biomolecules and natural products. Carbohydrates (classification, ring structures, reactions), amino acids and peptides, proteins, nucleic acids, vitamins, terpenes and steroids, with an introduction to polymers and dyes.

Inorganic Chemistry

1. The periodic table and periodic trends. Atomic and ionic radii, ionisation energy, electron affinity and electronegativity.
2. Extractive metallurgy. Principles of extraction of metals, with Ellingham diagrams.
3. Chemical bonding and structure. Ionic and covalent bonding, shapes of molecules (VSEPR), molecular orbital theory of homonuclear and heteronuclear diatomics, and acid-base concepts including HSAB.
4. Main group elements. The s-block and p-block elements and their compounds, including boranes, silicones, phosphazenes, interhalogens and noble gas chemistry.
5. Transition metals and coordination chemistry. d-block properties (oxidation states, colour, magnetism), nomenclature and isomerism of coordination compounds, valence bond, crystal field and molecular orbital theories, high-spin and low-spin complexes, and an introduction to organometallics (18-electron rule).
6. Lanthanides and actinides.
7. Bioinorganic chemistry. The roles of Fe, Cu, Zn, Mo and Co in biology, haemoglobin and myoglobin, chlorophyll and nitrogen fixation.
8. Nuclear chemistry. Radioactivity, decay series, nuclear reactions, binding energy, fission and fusion.
9. Analytical chemistry and instrumental methods. Volumetric analysis, errors and their treatment, and the basic principles of UV-visible spectrophotometry, flame photometry, atomic absorption and chromatography.

How the paper actually behaves

The syllabus tells you what is included. It does not tell you how the questions feel. This is how we explain it in the first week of the course.

Physical Chemistry rewards accuracy. Thermodynamics, kinetics, electrochemistry and quantum chemistry produce clean numerical answers, which is why they dominate the NAT section. A student who has solved two hundred problems in these areas will recognise the shape of a question in seconds. A student who has only read the theory will spend five minutes and still make an arithmetic slip.

Organic Chemistry rewards mechanism thinking. The questions often ask for a product, a reagent or an intermediate, and the options are written to trap a student who has memorised reactions without understanding them. Stereochemistry is the part where careful students gain the most, because it is a topic with rules that can be learned thoroughly.

Inorganic Chemistry is a mix of memory and reasoning. Periodic trends, the chemistry of main group compounds and coordination chemistry (crystal field splitting, magnetic moments, geometry) are the core. Some questions are direct, while others need you to apply a rule to an unfamiliar complex.

Where students commonly lose marks

• They treat NAT questions as an afterthought and never practise typing an answer with the right number of digits.
• They attempt MSQ questions by finding one correct option and moving on, without checking the others.
• They read chemistry like a story and avoid problem solving until the last month.
• They skip inorganic because it looks like memorisation, and then lose easy marks every year.
• They take their first full-length mock test only a week before the exam.

Our IIT JAM Chemistry programme at Chandu Biology Classes

Our approach is concept first, problems second, and exam conditions third. The course runs in three phases.

Phase 1: Foundation. We cover the full syllabus unit by unit across Physical, Organic and Inorganic Chemistry, and we start from your B.Sc. level, not from the top of the syllabus. Short chapter-wise tests run alongside the lectures so that gaps show up early.

Phase 2: Problem solving. This is where the NAT, MSQ and two-mark MCQ skills are built. Unit-wise problem sets, previous years’ JAM questions, and sessions that teach you to read a question, spot the trap and choose the method.

Phase 3: Mock tests and revision. Full-length computer-based mocks in the real JAM format with the real marking scheme, followed by a detailed review of every paper. We also teach attempt strategy: what to attempt first, what to skip, and how to use Sections B and C, where there is no penalty.

What every student gets

• Structured study material for all three branches, written for the JAM pattern
• Unit-wise tests, monthly tests and full-length mock tests
• Previous years’ JAM Chemistry paper discussion
• Doubt-clearing sessions and access to faculty between classes
• Guidance on registration, choosing institutes and the admission process after the result

Two ways to join

Classroom programme, Hyderabad. Regular classes at our centre in Narayanguda, with direct access to faculty, in-person doubt clearing and the discipline of a fixed schedule. It suits students in or near Hyderabad, and anyone who learns better in a room full of other serious aspirants.

Online programme. Live interactive classes, recordings for revision, digital notes and an online test series. It suits students in other cities and states, final-year students who are still attending college, and anyone who needs flexible timings. Online students follow the same plan and take the same tests as the classroom batch.

For the current batch dates, fee structure and a demo class, call +91 9063264052. We would rather talk to you before you enrol so that you pick the right format.

A realistic plan for the 14 February 2027 exam

From the second week of October, you have about 18 weeks. That is enough for a focused attempt, but not for a relaxed one. A sensible split:

If you are a second-year B.Sc. student, you cannot yet apply, but starting now makes your own final year much easier. For self-study alongside classes, we suggest four to five hours a day for graduates and two to three hours for students who are still attending college.

Books: use them as reference, not as a reading list

Pick one standard book per branch and finish it, instead of sampling five.

• Physical Chemistry: P. W. Atkins, Physical Chemistry
• Organic Chemistry: Morrison and Boyd, Organic Chemistry
• Inorganic Chemistry: J. D. Lee, Concise Inorganic Chemistry

Your class 11 and 12 chemistry and mathematics books are useful for the basics. Our class notes are designed around the JAM pattern, so the books are there to deepen difficult topics.

Who this course is for

This programme is for final-year B.Sc. Chemistry students, for graduates preparing for the next cycle, for repeaters who want a structured plan and regular testing after an earlier attempt, and for students from related degrees who meet the eligibility conditions. It is not a shortcut. If you will not practise problems every day and sit mock tests, no coaching in the country can get you a good rank. What we can give you is a structure, the right questions and honest feedback on where you stand.

Frequently asked questions

When is IIT JAM 2027? The exam is on 14 February 2027, in two sessions, and IIT Kharagpur is the organising institute. Registration closes on 12 October 2026, so register on the official JAM website without waiting.

What is the pattern of the IIT JAM Chemistry paper? There are 60 questions for 100 marks in 3 hours. Section A has 30 MCQs for 50 marks, Section B has 10 MSQs for 20 marks and Section C has 20 NAT questions for 30 marks.

Is there negative marking? Only in Section A. A wrong answer to a 1-mark MCQ costs 1/3 mark and a wrong answer to a 2-mark MCQ costs 2/3 mark. MSQ and NAT have no negative marking.

Is there partial marking in MSQ? No. You get the marks only if you select all the correct options and no wrong option.

What was the IIT JAM Chemistry cutoff in 2026? The qualifying marks were 18.65 for General, 16.78 for OBC (NCL) and EWS, and 9.32 for SC, ST and PwD. The figure changes every year with the difficulty of the paper.

Is the qualifying cutoff enough for an IIT seat? No. The qualifying mark only lets you participate in the admission process. Seats are allotted by rank, and the closing marks for the top IITs are much higher.

Which branch has the highest weightage? Physical Chemistry, at roughly 40 to 45% of the paper according to published analyses of recent papers. Organic follows, then Inorganic.

Can I appear in my final year of B.Sc.? Yes. You can apply while in your final year, but you must complete your degree with the required marks before the date of admission, as specified in the brochure.

What is the minimum percentage required? 55% for General, OBC (NCL) and EWS, and 50% for SC, ST and PwD candidates. The subject requirements for a particular M.Sc. programme are set by the admitting institute.

Can I write two JAM papers? Yes, a maximum of two, as long as you are eligible for both and their sessions do not clash. A fee is charged for each paper.

How many months do I need? Four months of focused study is enough for a serious attempt if your B.Sc. basics are solid, and six months is comfortable. Mock tests matter more than the number of books.

Do I need to join coaching? Not necessarily, but a structured course with regular tests helps you stay on schedule and shows you how the paper is actually set. Many students find the online format enough to learn and the test series most useful.

Can students outside Hyderabad join? Yes. The online programme is built for students anywhere in India, with live classes, recordings, notes and the same test series as the classroom batch.

How do I enrol? Call +91 9063264052, or download the Chandu Biology Classes app from the Play Store, search for your course and complete the enrolment. We are happy to arrange a demo class before you pay.

Contact Chandu Biology Classes

Phone: +91 9063264052 Email: chandubiologyc@gmail.com Website: chandubiologyclasses.com App: Chandu Biology Classes on Google Play Classroom centre: Golden Leaf Estates, 3rd Floor, Chitrapuri Colony, Bagh Lingampally, near Mumbai Masala Restaurant, Narayanguda, opposite Metro Pillar No. 1156, Hyderabad, Telangana 500029

Disclaimer: The dates, pattern, eligibility, syllabus and cutoff figures on this page are compiled from the IIT JAM website, the information brochure and other public sources, and were accurate to the best of our knowledge at the time of writing. The organising institute can change them at any time. Please verify everything on jam.iitkgp.ac.in before you apply or plan your preparation.