JEE Main · Chemistry · The d- and f-Block Elements
Anomalous Electronic Configuration of Gadolinium
JEE Main asked Anomalous Electronic Configuration of Gadolinium once in the 108 shifts Lumi analysed, on 26 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
Numerical value is the usual form. Skill tested: application.
- Count 4f electrons in ion
Difficulty
1 of the 1 question had a numerical answer.
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: 26 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
- Basicity Trend of Lanthanide Hydroxidesonce · 2021
- Europium(II) as a Reducing Agentonce · 2021
- Identifying Diamagnetic Lanthanide Ionsonce · 2021
- Mischmetal Composition and Usesonce · 2020