Questions
19
across 8 papers
Share of subject
4.8%
of 398 Chemistry Qs
Weightage rank
#8
of 31 chapters
Difficulty
4 easy · 9 medium · 6 hard
Equilibrium contributed 19 of the 398 NEET Chemistry questions between 2020 and 2026 (Re-NEET 2026 included). That is 4.8% of the subject and makes it the #8 chapter out of 31 by weightage — roughly 2.4 questions per paper, peaking at 4 in NEET 2026.
Of the 19 questions tagged for difficulty, 21% were easy, 47% medium and 32% hard — a chapter that tends to bring the tougher questions.
It has been asked more often lately: 2.7 questions per paper across NEET 2025, NEET 2026 and Re-NEET 2026, against 2 in 2020–2022.
The single most-tested topic is Applications of Equilibrium Constant (Problems involving Kc) — 2 questions across 2 papers.
15 topics tagged under Equilibrium. 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Acids, Bases and Salts (Arrhenius concept of Acids and Bases) | – | 2 | – | – | – | – | – | – | 2 | 1 | 1 | – |
| Applications of Equilibrium Constant (Problems involving Kc) | – | – | 1 | – | 1 | – | – | – | 2 | – | 2 | – |
| Applications of Equilibrium Constant (Relationship Between Kp and Kc) | – | – | – | – | 1 | – | 1 | – | 2 | 2 | – | – |
| Relationship Between Equilibrium Constant (K), Reaction Quotient (Q) and Gibbs Free Energy (G) | 1 | – | – | 1 | – | – | – | – | 2 | – | 1 | 1 |
| Acid - Base Titration (Titration Curves for Weak Acid Vs Strong Base) | – | – | – | – | – | – | 1 | – | 1 | – | 1 | – |
| Acids, Bases and Salts (Lewis Acid and Bases) | – | – | – | 1 | – | – | – | – | 1 | 1 | – | – |
| Applications of Solubility (Effect of Complex Formation and Hydrolysis on Solub…) | – | – | – | – | – | – | 1 | – | 1 | – | – | 1 |
| Buffer Solution | – | – | – | – | – | – | 1 | – | 1 | – | 1 | – |
| Equilibrium in Chemical Process (Characteristics of Equilibriurm Constant) | – | – | – | – | – | 1 | – | – | 1 | – | – | 1 |
| Equilibrium in Chemical Process (Chemical Equilibrium) | – | – | – | – | 1 | – | – | – | 1 | – | – | 1 |
| Ionization of Acids and Bases (Ionization Constant of Acids and Bases) | – | – | – | – | – | 1 | – | – | 1 | – | – | 1 |
| Le Chatelier's Principle (Effect of Concentration Change) | – | – | – | – | – | 1 | – | – | 1 | – | 1 | – |
| Solubility Equilibria of Sparingly Soluble Salts (Constant of Solubility Product (Ksp)) | 1 | – | – | – | – | – | – | – | 1 | – | 1 | – |
| eSolubility Equilibria of Sparingly Soluble Salts (Relation between Solubility (S) And Solubility Prod…) | – | – | – | – | – | – | – | 1 | 1 | – | – | 1 |
| pH Calculation (pH of Weak Acid) | – | – | 1 | – | – | – | – | – | 1 | – | 1 | – |
No topic has appeared in three or more different papers.
In the NEET papers from 2020 to 2026 (including Re-NEET 2026), 19 Chemistry questions came from Equilibrium — 4.8% of the subject, or about 2.4 per paper.
By past weightage it ranks #8 of 31 Chemistry chapters, so it is an above-average-weightage Chemistry chapter, with 19 questions over 2020–2026.
The most-tested topics are Applications of Equilibrium Constant (Problems involving Kc) (2), Applications of Equilibrium Constant (Relationship Between Kp and Kc) (2) and Relationship Between Equilibrium Constant (K), Reaction Quotient (Q) and Gibbs… (2). The topic table above lists every topic with its count in each paper.
Of the 19 difficulty-tagged questions, 21% were easy, 47% medium and 32% hard.
Applications of Equilibrium Constant (Relationship Between Kp and Kc), Acid - Base Titration (Titration Curves for Weak Acid Vs Strong Base), Applications of Solubility (Effect of Complex Formation and Hydrolysis on… and Buffer Solution and more were asked in the 2026 papers.
Edurack has chapter-wise NEET previous-year questions for Equilibrium. 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.