JEE Main · Chemistry · The d- and f-Block Elements
Identifying Diamagnetic Lanthanide Ions
JEE Main asked Identifying Diamagnetic Lanthanide Ions once in the 108 shifts Lumi analysed, on 31 Aug 2021, Shift 1. It belongs to f-Block Elements, in The d- and f-Block Elements (Chemistry).
Updated 2026-10-24
- Times asked
- 1
- in 1 shift
- Years
- 1 of 8
- First asked
- 2021
- the only year
- Pattern
- Gone quiet
- asked once so far
Questions on this idea a shift, by year
2017–2026. Asked in 2021. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.
Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 1 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 0 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.
Shift by shift
Each square is one analysed shift, in date order. Open a filled one for that paper.
How JEE Main framed it
Single correct is the usual form. Skill tested: recall.
- Identify lanthanide with given oxidation state and magnetism
Difficulty
The question was multiple choice.
Every question
The question
From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.
Shift: 31 Aug 2021, Shift 1.
Same topic
Other ideas in f-Block Elements
f-Block Elements has 11 ideas JEE Main has asked; 4 of them came up in more than one question.
- Lanthanide Electronic Configuration8× · 2026
- Cerium(IV) as an Oxidizing Agent4× · 2026
- Lanthanide Oxidation States4× · 2023
- Magnetic and Spectral Properties2× · 2024
- Identifying Colorless Lanthanide Ionsonce · 2024
- Europium(II) and Ytterbium(II) as Reducing Agentsonce · 2023
- Anomalous Electronic Configuration of Gadoliniumonce · 2021
- Basicity Trend of Lanthanide Hydroxidesonce · 2021
- Europium(II) as a Reducing Agentonce · 2021
- Mischmetal Composition and Usesonce · 2020