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Saturday, 31 October

JEE Main · Chemistry · General Principles and Processes of Isolation of Elements

Ellingham Diagram Basics

JEE Main asked Ellingham Diagram Basics 6 times in 6 of the 108 shifts Lumi analysed, in 2020, 2021 and 2022. It belongs to Metallurgical Extraction, in General Principles and Processes of Isolation of Elements (Chemistry). The longest wait between two years asking it was 1 year. In 2020 and 2021 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
6
in 6 shifts
Years
3 of 8
First asked
2020
last in 2022
Pattern
Comes in cycles
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2020, 2021 and 2022. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.10.20’170.17’200.10’210.03’220’230’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 2 in 12 shifts · 2021: 3 in 24 shifts · 2022: 1 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.

  • 20260 of 9
  • 20250 of 8
  • 20240 of 18
  • 20230 of 12
  • 20221 of 24
  • 20213 of 24
  • 20202 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.

  • Interpretation of ellingham diagram
  • Assess statements on ellingham diagram

Difficulty

Easy 3Medium 3Hard 0

Every question was multiple choice.

Every question

All 6 questions

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

  1. 26 Jun 2022, Shift 1 · Q67Given below are two statements : Statement I : According to the Ellingham diagram, any metal oxide with higher ΔG∘\Delta G^\circ is more…MediumTwo statements
  2. 25 Feb 2021, Shift 1 · Q35Ellingham diagram is a graphical representation of :EasySingle correct
  3. 26 Aug 2021, Shift 1 · Q35Given below are two statements. Statement I : The choice of reducing agents for metals extraction can be made by using Ellingham diagram,…MediumTwo statements
  4. 3 Aug 2021, Shift 1 · Q34Ellingham diagram does not predict theEasySingle correct
  5. 6 Sep 2020, Shift 2 · Q42For a reaction, 4 M(s)+nO2(g)→2M2On(s)4\,\mathrm{M(s)}+n\mathrm{O_2(g)}\rightarrow 2\mathrm{M_2O_n(s)}, the free energy change is plotted as a function of…MediumSingle correct
  6. 5 Sep 2020, Shift 1 · Q34An Ellingham diagram provides information about :EasySingle correct

Shifts: 5 Sep 2020, Shift 1, 6 Sep 2020, Shift 2, 25 Feb 2021, Shift 1, 3 Aug 2021, Shift 1, 26 Aug 2021, Shift 1, 26 Jun 2022, Shift 1.

Same topic

Other ideas in Metallurgical Extraction

Metallurgical Extraction has 21 ideas JEE Main has asked; 10 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisAll repeated ideas