Questions
8
across 8 papers
Share of subject
2%
of 398 Chemistry Qs
Weightage rank
#22
of 31 chapters
Difficulty
2 easy · 4 medium · 2 hard
Redox Reactions contributed 8 of the 398 NEET Chemistry questions between 2020 and 2026 (Re-NEET 2026 included). That is 2% of the subject and makes it the #22 chapter out of 31 by weightage — roughly 1 question per paper, peaking at 2 in Re-NEET 2026.
Of the 8 questions tagged for difficulty, 25% were easy, 50% medium and 25% hard — a chapter that tends to bring the tougher questions.
Its weight has stayed fairly steady: 1 question per paper across NEET 2025, NEET 2026 and Re-NEET 2026, against 1 in 2020–2022.
The single most-tested topic is Oxidation Number — 3 questions across 3 papers.
6 topics tagged under Redox Reactions. Numbers show how many questions each topic had in each paper; E / M / H are the easy, medium and hard counts.
| Topic | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Re | Total | E | M | H |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oxidation Number | 1 | – | 1 | – | – | – | – | 1 | 3 | – | 3 | – |
| Balancing of Redox Reactions (Balancing Equation by Oxidation Number Method) | – | – | – | 1 | – | – | – | – | 1 | – | – | 1 |
| Oxidation Number (Oxidation and Reduction in Terms of Oxidation Number) | – | – | – | – | 1 | – | – | – | 1 | 1 | – | – |
| Oxidation Number and Nomenclature (Oxidation State of Element in Periodic Table) | – | – | – | – | – | 1 | – | – | 1 | 1 | – | – |
| Redox Reactions as the Basis of Titration (Potassium Permanganate (KMnO₄)) | – | – | – | – | – | – | – | 1 | 1 | – | – | 1 |
| Types of Redox Reactions (Displacement Reactions) | – | 1 | – | – | – | – | – | – | 1 | – | 1 | – |
In the NEET papers from 2020 to 2026 (including Re-NEET 2026), 8 Chemistry questions came from Redox Reactions — 2% of the subject, or about 1 per paper.
By past weightage it ranks #22 of 31 Chemistry chapters, so it is a lower-weightage Chemistry chapter, with 8 questions over 2020–2026.
The most-tested topics are Oxidation Number (3), Balancing of Redox Reactions (Balancing Equation by Oxidation Number Method) (1) and Oxidation Number (Oxidation and Reduction in Terms of Oxidation Number) (1). The topic table above lists every topic with its count in each paper.
Of the 8 difficulty-tagged questions, 25% were easy, 50% medium and 25% hard.
Oxidation Number and Redox Reactions as the Basis of Titration (Potassium Permanganate (KMnO₄)) were asked in the 2026 papers.
Edurack has chapter-wise NEET previous-year questions for Redox Reactions. Use the practice button on this page to open the set, attempt questions and check your answers.
Counts come from Edurack's tagged set of NEET papers 2020–2026 (including Re-NEET 2026), mapped to NCERT chapters and topics. Use them as a trend guide — past frequency doesn't guarantee what a future paper will ask.