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Coordination Compounds PYQs (previous year questions) for JEE Main: Coordination Compounds (Chemistry) had 18 questions across the 11 official JEE Main papers we tagged (2016–2026), and appeared in 11 of them. Asked in 3 of 3 years. The concepts asked in the most papers: Crystal Field Theory, Werner’s Theory, Isomerism in Complexes.
Year-wise question count
Asked in 3 of 3 years.
| Year | Papers | Questions | Per paper |
|---|---|---|---|
| JEE Main 2026 | 9 | 15 | 1.7 |
| JEE Main 2017 | 1 | 1 | 1 |
| JEE Main 2016 | 1 | 2 | 2 |
Most-asked concepts
Sorted by the number of papers a concept appeared in.
| Concept | Questions | Papers | Years |
|---|---|---|---|
| Crystal Field Theory | 5 | 5 | 2026 |
| Werner's Theory | 3 | 3 | 2026, 2017 |
| Crystal Field Splitting | 2 | 2 | 2026 |
| Isomerism in Complexes | 2 | 2 | 2026, 2016 |
| Magnetic Moment | 1 | 1 | 2016 |
| Magnetic Moment of Complexes | 1 | 1 | 2026 |
| Magnetic Properties | 1 | 1 | 2026 |
| Metal Carbonyls | 1 | 1 | 2026 |
| Stability and Isomerism | 1 | 1 | 2026 |
| Valence Bond Theory | 1 | 1 | 2026 |
How to practise Coordination Compounds PYQs
- Start with the concepts at the top of the table. They have come back the most.
- Solve one year’s Coordination Compounds questions from the official PDF against the clock, then check the answer listed below.
- Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
- Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.
Questions by year
Each line gives the question number and paper, type, concept, our one-line summary and the official answer, with a link to the official PDF.
JEE Main2026
- Q.62 (2 April, shift 1) · MCQ · Crystal Field Theory: Match Cr(III) complexes with their crystal field splitting values (official answer: option 4) PDF
- Q.71 (2 April, shift 1) · Numerical · Werner's Theory: Mole ratio of complex to AgCl for CrCl3.6H2O after ion exchange (official answer: 33) PDF
- Q.61 (2 April, shift 2) · MCQ · Isomerism in Complexes: Identify complexes showing coordination isomerism (official answer: option 2) PDF
- Q.62 (4 April, shift 1) · MCQ · Magnetic Moment of Complexes: Match aqua complexes with their spin-only magnetic moments (official answer: option 4) PDF
- Q.60 (4 April, shift 2) · MCQ · Crystal Field Theory: Unpaired electrons and absorption frequency order of three Ni complexes (official answer: option 1) PDF
- Q.61 (5 April, shift 1) · MCQ · Metal Carbonyls: Correct statements on bonding in metal carbonyls (official answer: option 2) PDF
- Q.62 (5 April, shift 1) · MCQ · Crystal Field Theory: Statements on crystal field splitting energies and degeneracy (official answer: option 1) PDF
- Q.60 (5 April, shift 2) · MCQ · Crystal Field Splitting: Statements on atomisation enthalpy and d-orbital splitting in complexes (official answer: option 1) PDF
- Q.61 (5 April, shift 2) · MCQ · Stability and Isomerism: Correct statements on complex stability, hybridisation, linkage isomerism (official answer: option 3) PDF
- Q.71 (5 April, shift 2) · Numerical · Crystal Field Theory: Total unpaired electrons in high- and low-spin octahedral d-configurations (official answer: 15) PDF
- Q.61 (6 April, shift 1) · MCQ · Crystal Field Theory: Match tetrahedral d^n configurations with CFSE values (official answer: option 3) PDF
- Q.62 (6 April, shift 1) · MCQ · Crystal Field Splitting: Energy order of d-orbitals in a tetrahedral complex (official answer: option 1) PDF
- Q.61 (6 April, shift 2) · MCQ · Valence Bond Theory: Hybridisation, geometry and magnetism of nickel complexes (official answer: option 4) PDF
- Q.71 (6 April, shift 2) · Numerical · Werner's Theory: Moles of AgCl precipitated from a chromium aqua-chloro complex (official answer: 5) PDF
- Q.71 (8 April, shift 2) · Numerical · Magnetic Properties: Count paramagnetic complexes in a given list (official answer: 6) PDF
JEE Main2017
- Q.50 · MCQ · Werner's Theory: Formula of cobalt complex from chloride ions precipitated PDF
JEE Main2016
Coordination Compounds in other exams
The same chapter in other official papers we tagged: JEE Advanced (28 questions), NEET (2 questions).
Other Chemistry chapters
- Some Basic Concepts in Chemistry PYQs
- Atomic Structure PYQs
- Chemical Bonding and Molecular Structure PYQs
- Chemical Thermodynamics PYQs
- Solutions PYQs
- Equilibrium PYQs
- Redox Reactions and Electrochemistry PYQs
- Chemical Kinetics PYQs
- Classification of Elements and Periodicity PYQs
- p-Block Elements PYQs
- d- and f-Block Elements PYQs
- Purification and Characterisation of Organic Compounds PYQs
- Some Basic Principles of Organic Chemistry PYQs
- Hydrocarbons PYQs
- Organic Compounds Containing Halogens PYQs
- Organic Compounds Containing Oxygen PYQs
- Organic Compounds Containing Nitrogen PYQs
- Biomolecules PYQs
- Principles Related to Practical Chemistry PYQs
FAQ
How many Coordination Compounds questions come in JEE Main?
In the official papers we tagged: 15 in 2026 (9 papers), 1 in 2017 (1 paper) and 2 in 2016 (1 paper). That is 18 questions in all, about 6% of Chemistry.
Which Coordination Compounds topics repeat in JEE Main?
Asked in the most papers: Crystal Field Theory, Werner’s Theory, Isomerism in Complexes. The concept table lists every one with its count.
Are these official JEE Main questions?
Yes. Every question is from an official JEE Main paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.