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Chemistry · Class 12The d- and f-Block ElementsVideo coming soonRead the notes instead
Free notes for this chapterMark as Completed
General Properties of Transition Elements, Variable Oxidation States, Lanthanoid Contraction and the board questions built on them — roughly 5 marks of the paper.
What this chapter covers
- 1General Properties of Transition Elements
- 2Variable Oxidation States
- 3Lanthanoid Contraction
- 4Preparation of KMnO4 and K2Cr2O7
These lessons are being recorded. The written notes for this chapter are free to download now.
Learning resources
Seedha Notes
Chapter notes withimportant points,examples & format
View Notes for The d- and f-Block Elements, ChemistryPractice Questions
Important questions,board questions,numericals
Practice Now for The d- and f-Block Elements, ChemistryPrevious yearquestions withfull solutions
View PYQs for The d- and f-Block Elements, ChemistrySample Paper
Board patternsample paper withmarking scheme
Open Paper for The d- and f-Block Elements, Chemistry
In the notes
Topics covered
- 01General Properties of Transition Elements23:21
- 02Variable Oxidation States19:29
- 03Lanthanoid Contraction33:55
- 04Preparation of KMnO4 and K2Cr2O725:29
After this chapter you can
- Explain general properties of transition elements without reading from the book
- Present variable oxidation states in the format the marking scheme rewards
- Attempt every previous year question set on this chapter
- Marks
- 5
- PYQs
- 25
- Video
- 1h 42m
Then do the work
- One-shot revision, 26 minutes
- Formula sheet for this chapter
- Printable summary, 2 pages
Prepare
| Year | Asked as | Marks |
|---|---|---|
| 2025 | Case based | 6 |
| 2024 | Short answer | 2 |
| 2023 | Long answer | 2 |
| 2022 | MCQ set | 4 |
| 2021 | Case based | 4 |
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