Questions
21
across 8 papers
Share of subject
5.3%
of 398 Chemistry Qs
Weightage rank
#4
of 31 chapters
Difficulty
5 easy · 11 medium · 5 hard
Hydrocarbons contributed 21 of the 398 NEET Chemistry questions between 2020 and 2026 (Re-NEET 2026 included). That is 5.3% of the subject and makes it the #4 chapter out of 31 by weightage — roughly 2.6 questions per paper, peaking at 4 in NEET 2021.
Of the 21 questions tagged for difficulty, 24% were easy, 52% medium and 24% hard — a fairly balanced mix of easy and moderate questions.
Its weight has stayed fairly steady: 2.7 questions per paper across NEET 2025, NEET 2026 and Re-NEET 2026, against 3 in 2020–2022.
The single most-tested topic is General Characteristics of Alkenes (Chemical Properties) — 5 questions across 5 papers.
13 topics tagged under Hydrocarbons. 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| General Characteristics of Alkenes (Chemical Properties) | 1 | 1 | 1 | – | 1 | 1 | – | – | 5 | – | 3 | 2 |
| Aromatic Hydrocarbon (Aromaticity) | – | – | 1 | 1 | – | – | – | – | 2 | – | – | 2 |
| Aromatic Hydrocarbon (Physical and Chemical Properties) | – | – | – | – | – | 1 | 1 | – | 2 | 1 | 1 | – |
| Preparation of Alkanes | 1 | 1 | – | – | – | – | – | – | 2 | – | 2 | – |
| Preparation of Alkenes (Preparation Methods) | 1 | 1 | – | – | – | – | – | – | 2 | 1 | 1 | – |
| Alkanes (Chemical Reactions of Alkanes) | – | – | – | 1 | – | – | – | – | 1 | – | 1 | – |
| Alkanes (Conformations) | – | 1 | – | – | – | – | – | – | 1 | – | 1 | – |
| Chemical Reaction of Alkanes (Controlled Oxidation) | – | – | – | – | – | – | 1 | – | 1 | 1 | – | – |
| Chemical Reaction of Alkenes (By KMnO₄) r– | – | – | – | – | – | – | – | 1 | 1 | – | – | 1 |
| Chemical Reaction of Alkynes (Reduction by Lindlar's Catalyst) | – | – | – | – | – | – | – | 1 | 1 | – | 1 | – |
| Classification | – | – | – | – | – | – | – | 1 | 1 | 1 | – | – |
| General Characteristics of Alkanes (Physical Properties of Alkanes) | – | – | – | – | 1 | – | – | – | 1 | – | 1 | – |
| General Characteristics of Alkenes (Tests of Unsaturation) | – | – | – | – | – | 1 | – | – | 1 | 1 | – | – |
In the NEET papers from 2020 to 2026 (including Re-NEET 2026), 21 Chemistry questions came from Hydrocarbons — 5.3% of the subject, or about 2.6 per paper.
By past weightage it ranks #4 of 31 Chemistry chapters, so it is one of the five highest-weightage Chemistry chapters, with 21 questions over 2020–2026.
The most-tested topics are General Characteristics of Alkenes (Chemical Properties) (5), Aromatic Hydrocarbon (Aromaticity) (2) and Aromatic Hydrocarbon (Physical and Chemical Properties) (2). The topic table above lists every topic with its count in each paper.
Of the 21 difficulty-tagged questions, 24% were easy, 52% medium and 24% hard.
Aromatic Hydrocarbon (Physical and Chemical Properties), Chemical Reaction of Alkanes (Controlled Oxidation), Chemical Reaction of Alkenes (By KMnO₄) r– and Chemical Reaction of Alkynes (Reduction by Lindlar's Catalyst) and more were asked in the 2026 papers.
Edurack has chapter-wise NEET previous-year questions for Hydrocarbons. 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.