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NEET Chemistry — Chapter-wise Weightage
1674 questions from 36 papers (2000–2026): how many questions each chapter gave every year, its share of all questions, its share in the latest 5 years, and questions per paper. Tap a column heading to sort.
| Chapter | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | Earlier | Total | Share | Last 5 yrs | Per paper | 2026 trend |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Physical Chemistry | 31 | 16 | 36 | 11 | 25 | 13 | 13 | 15 | 515 | 31% | 31% | 14.3 | ||
| Some Basic Concepts of Chemistry | 4 | 2 | 5 | 1 | 3 | 1 | 1 | 1 | 33 | 51 | 3.0% | 3.9% | 1.4 | 4.44% →0% |
| Structure of Atom | 3 | 2 | 4 | 2 | 4 | 2 | 1 | 2 | 40 | 60 | 3.6% | 3.9% | 1.7 | 3.33% ↓25% |
| Thermodynamics | 5 | 2 | 6 | 1 | 2 | 2 | 2 | 2 | 56 | 78 | 4.7% | 4.1% | 2.2 | 5.56% ↑25% |
| Equilibrium | 4 | 3 | 6 | 2 | 5 | 1 | 2 | 3 | 78 | 104 | 6.2% | 5.2% | 2.9 | 4.44% ↓33.3% |
| Redox Reactions | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 16 | 25 | 1.5% | 1.5% | 0.7 | 2.22% →0% |
| Solutions | 4 | 3 | 4 | · | 1 | 2 | 2 | 2 | 35 | 53 | 3.2% | 3.1% | 1.5 | 4.44% ↓33.3% |
| Electrochemistry | 4 | 1 | 4 | 2 | 5 | 2 | 2 | 2 | 47 | 69 | 4.1% | 4.1% | 1.9 | 4.44% ↑100% |
| Chemical Kinetics | 5 | 2 | 6 | 2 | 4 | 2 | 2 | 2 | 50 | 75 | 4.5% | 4.9% | 2.1 | 5.56% ↑25% |
| Inorganic Chemistry | 27 | 11 | 29 | 11 | 23 | 10 | 10 | 11 | 425 | 25% | 26% | 11.8 | ||
| Classification of Elements and Periodicity in Properties | 4 | 2 | 4 | 1 | 3 | · | 2 | 1 | 25 | 42 | 2.5% | 3.6% | 1.2 | 4.44% →0% |
| Chemical Bonding and Molecular Structure | 5 | 3 | 7 | 2 | 4 | 3 | 2 | 1 | 82 | 109 | 6.5% | 5.4% | 3.0 | 5.56% ↓16.7% |
| p-Block Elements (Group 13 & 14) | 2 | · | · | 2 | 4 | · | 1 | 2 | 21 | 32 | 1.9% | 2.1% | 0.9 | 2.22% |
| p-Block Elements (Group 15–18) | 2 | 1 | 5 | 2 | 4 | 3 | 2 | 5 | 39 | 63 | 3.8% | 3.6% | 1.8 | 2.22% →0% |
| d- and f-Block Elements | 6 | 2 | 7 | 2 | 4 | 2 | 2 | 1 | 52 | 78 | 4.7% | 5.4% | 2.2 | 6.67% ↑50% |
| Coordination Compounds | 8 | 3 | 6 | 2 | 4 | 2 | 1 | 1 | 74 | 101 | 6.0% | 5.9% | 2.8 | 8.89% ↑33.3% |
| Organic Chemistry | 31 | 18 | 36 | 16 | 30 | 14 | 12 | 9 | 491 | 29% | 34% | 13.6 | ||
| Organic Chemistry – Some Basic Principles and Techniques | 3 | 1 | 4 | 2 | 4 | 1 | 1 | 1 | 54 | 71 | 4.2% | 3.6% | 2.0 | 3.33% ↑50% |
| Isomerism | 2 | 3 | · | · | 1 | 2 | · | · | 32 | 40 | 2.4% | 1.5% | 1.1 | 2.22% ↓66.7% |
| Hydrocarbons | 4 | 2 | 4 | 1 | 3 | 2 | 2 | 3 | 37 | 58 | 3.5% | 3.6% | 1.6 | 4.44% →0% |
| Haloalkanes and Haloarenes | 3 | 1 | 4 | 2 | 3 | 2 | 1 | · | 20 | 36 | 2.2% | 3.4% | 1.0 | 3.33% ↑50% |
| Alcohols, Phenols and Ethers | 1 | · | 4 | 4 | 4 | 1 | 2 | 2 | 37 | 55 | 3.3% | 3.4% | 1.5 | 1.11% |
| Aldehydes, Ketones and Carboxylic Acids | 4 | 3 | 5 | 3 | 8 | 3 | 2 | 1 | 50 | 79 | 4.7% | 5.9% | 2.2 | 4.44% ↓33.3% |
| Amines | 4 | 3 | 5 | 2 | 4 | 2 | 1 | 1 | 36 | 58 | 3.5% | 4.6% | 1.6 | 4.44% ↓33.3% |
| Biomolecules | 4 | 2 | 2 | 1 | 2 | 1 | 2 | 1 | 50 | 65 | 3.9% | 2.8% | 1.8 | 4.44% →0% |
| Principles Related to Practical Chemistry | 6 | 3 | 8 | 1 | 1 | · | 1 | · | 9 | 29 | 1.7% | 4.9% | 0.8 | 6.67% →0% |
| Out of syllabus (current exam) | 1 | · | · | 13 | 23 | 13 | 10 | 10 | 243 | 15% | 10% | 6.8 | ||
| States of Matter | · | · | · | 2 | 4 | 2 | 1 | 1 | 20 | 30 | 1.8% | 1.5% | 0.8 | 0% |
| Hydrogen | 1 | · | · | 1 | 2 | 1 | 1 | 1 | 7 | 14 | 0.8% | 1.0% | 0.4 | 1.11% |
| s-Block Elements | · | · | · | 2 | 3 | 2 | 2 | 2 | 29 | 40 | 2.4% | 1.3% | 1.1 | 0% |
| Environmental Chemistry | · | · | · | 1 | 2 | 1 | 1 | 1 | 7 | 13 | 0.8% | 0.8% | 0.4 | 0% |
| Solid State | · | · | · | 2 | 4 | 2 | 1 | 1 | 38 | 48 | 2.9% | 1.5% | 1.3 | 0% |
| Surface Chemistry | · | · | · | 2 | 2 | 1 | 1 | 1 | 20 | 27 | 1.6% | 1.0% | 0.8 | 0% |
| General Principles of Isolation of Elements | · | · | · | 1 | 2 | 2 | 1 | 1 | 17 | 24 | 1.4% | 0.8% | 0.7 | 0% |
| Polymers | · | · | · | 1 | 2 | 1 | 1 | 1 | 25 | 31 | 1.9% | 0.8% | 0.9 | 0% |
| Chemistry in Everyday Life | · | · | · | 1 | 2 | 1 | 1 | 1 | 10 | 16 | 1.0% | 0.8% | 0.4 | 0% |
Papers per year: 2026: 2, 2025: 1, 2024: 2, 2023: 1, 2022: 2, 2021: 1, 2020: 1, 2019: 1. Red = 2 or more questions per paper that year. Share = this chapter's questions ÷ all Chemistry questions in the bank. Based on past papers; it updates as more papers are added.
Most asked topics
How to use this
- Start with chapters that have a high Last 5 yrs share — the syllabus and paper style change, so recent years matter most.
- A chapter with 1+ question per paper is a must-do: it comes in every shift.
- Then practise the most asked topics above — each link opens exactly those PYQs.