JEE Main d- and f-Block Elements: Weightage, Key Concepts and Study Plan
d- and f-Block Elements in JEE Main: 137 questions across 2022–2026, rank #11 of 20 in Chemistry, stable momentum. Year-wise data, key concepts and a study plan.
Edurack
October 21, 2026
d- and f-Block Elements is a dependable mid-weight chapter in JEE Main Chemistry, ranked #11 of 20 with 5.0% of recent questions. Here is what five years of JEE Main questions say about it, and how to prepare.
At a glance
- 137 questions across 2022–2026, all shifts
- 4.7% of Chemistry over five years and 5.0% in 2024–2026
- Rank #11 of 20 Chemistry chapters by recent weight
- Momentum: Stable
- Asked in 5 of 5 years; busiest year 2022 with 31 questions
- 22 questions in the 2026 papers
Year-wise questions
| Year | 2022 | 2023 | 2024 | 2025 | 2026 | Total |
|---|---|---|---|---|---|---|
| Questions | 31 | 31 | 24 | 29 | 22 | 137 |
How d- and f-Block Elements compares inside Chemistry
| Rank | Chapter | Total Qs | 2024–26 share | Momentum |
|---|---|---|---|---|
| 9 | Atomic Structure | 132 | 5.2% | Stable |
| 10 | Some Basic Concepts in Chemistry | 128 | 5.1% | Stable |
| 11 | d- and f-Block Elements | 137 | 5.0% | Stable |
| 12 | Chemical Thermodynamics | 126 | 4.8% | Stable |
| 13 | Equilibrium | 126 | 4.8% | Stable |
Concepts that repeat
These specific ideas came back most often inside d- and f-Block Elements.
| Concept | 2022 | 2023 | 2024 | 2025 | 2026 | Total |
|---|---|---|---|---|---|---|
| KMnO4 | 4 | 11 | 3 | 3 | 3 | 24 |
Start your practice with these. Each one has appeared in every one of the five years, so it is worth knowing the question styles.
What the syllabus covers
Transition elements: configuration, first-row trends, oxidation states, colour, magnetic properties, catalysis, complex formation, K2Cr2O7 and KMnO4, lanthanoids and actinoids.
A checklist to tick off:
- Transition elements: configuration
- First-row trends
- Oxidation states
- Colour
- Magnetic properties
- Catalysis
- Complex formation
- K2Cr2O7 and KMnO4
- Lanthanoids and actinoids
What to focus on
Trends across the first transition series, oxidation states and colour, and the reactions of potassium dichromate and potassium permanganate.
A study plan for this chapter
Treat it as a dependable source of marks and keep it in your regular revision cycle. If you divide your Chemistry time in proportion to recent weightage, this chapter earns about 5% of it.
- Days 1–4: theory and solved examples.
- Days 5–9: chapter-wise PYQs and error log.
- Ongoing: a short revision every ten days.
Keep reading
- The full ranking: JEE Main Chemistry chapter-wise weightage
- Next chapter by weight: Chemical Thermodynamics
- A heavier neighbour: Some Basic Concepts in Chemistry
See d- and f-Block Elements on the weightage page →
Frequently Asked Questions
How many questions has d- and f-Block Elements had in JEE Main?
137 questions across 2022–2026, counting every shift: 2022: 31, 2023: 31, 2024: 24, 2025: 29, 2026: 22.
Is d- and f-Block Elements important for JEE Main Chemistry?
It ranks #11 of 20 Chemistry chapters by recent weight, which puts it in tier 2 of 3 for preparation. Its momentum is labelled Stable.
How should I start d- and f-Block Elements?
Trends across the first transition series, oxidation states and colour, and the reactions of potassium dichromate and potassium permanganate. Then solve chapter-wise previous-year questions.