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Saturday, 31 October

JEE Main · Chemistry · The d- and f-Block Elements

Standard Electrode Potential Trends

JEE Main asked Standard Electrode Potential Trends 5 times in 5 of the 108 shifts Lumi analysed, in 2021, 2022 and 2023. It belongs to d-Block Elements, in The d- and f-Block Elements (Chemistry). The longest wait between two years asking it was 1 year. In 2022 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
5
in 5 shifts
Years
3 of 8
First asked
2021
last in 2023
Pattern
Comes in cycles
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2021, 2022 and 2023. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.050.10’170’200.03’210.10’220.07’230’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 1 in 24 shifts · 2022: 3 in 24 shifts · 2023: 1 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.

  • 20260 of 9
  • 20250 of 8
  • 20240 of 18
  • 20231 of 12
  • 20223 of 24
  • 20211 of 24
  • 20200 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Single correct is the usual form. Skill tested: conceptual.

  • Magnetic moment of ion that cannot liberate h2
  • Count correct statements on d-block elements

Difficulty

Easy 3Medium 0Hard 2

1 of the 5 questions had a numerical answer.

Every question

All 5 questions

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 10 Apr 2023, Shift 1 · Q68Which of the following statements are correct? (A) The M3+/M2+\mathrm{M^{3+}/M^{2+}} reduction potential for iron is greater than manganese.…HardSingle correct
  2. 27 Jun 2022, Shift 2 · Q68In 3d series, the metal having the highest M2+/M\mathrm{M^{2+}/M} standard electrode potential isEasySingle correct
  3. 25 Jun 2022, Shift 1 · Q69Among the following, which is the strongest oxidizing agent ?EasySingle correct
  4. 25 Jul 2022, Shift 1 · Q87Among Co3+, Ti2+, V2+\mathrm{Co^{3+},\ Ti^{2+},\ V^{2+}} and Cr2+\mathrm{Cr^{2+}} ions, one if used as a reagent cannot liberate H2\mathrm{H_2} from…HardNumerical value
  5. 24 Feb 2021, Shift 1 · Q37The electrode potential of M2+/M\mathrm{M^{2+}/M} of 3d-series elements shows positive value for :EasySingle correct

Shifts: 24 Feb 2021, Shift 1, 25 Jun 2022, Shift 1, 27 Jun 2022, Shift 2, 25 Jul 2022, Shift 1, 10 Apr 2023, Shift 1.

Same topic

Other ideas in d-Block Elements

d-Block Elements has 31 ideas JEE Main has asked; 21 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisStudy this chapterAll repeated ideas