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Saturday, 31 October

JEE Main · Chemistry · Electrochemistry

Gas Evolution Volume

JEE Main asked Gas Evolution Volume 3 times in 3 of the 108 shifts Lumi analysed, in 2020, 2022 and 2024. It belongs to Faraday's Laws of Electrolysis, in Electrochemistry (Chemistry). The longest wait between two years asking it was 2 years.

Updated 2026-10-24

Times asked
3
in 3 shifts
Years
3 of 8
First asked
2020
last in 2024
Pattern
Comes in cycles
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2020, 2022 and 2024. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.050.10’170.08’200’210.03’220’230.05’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 1 in 12 shifts · 2021: 0 in 24 shifts · 2022: 1 in 24 shifts · 2023: 0 in 12 shifts · 2024: 1 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
  • 20241 of 18
  • 20230 of 12
  • 20221 of 24
  • 20210 of 24
  • 20201 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Numerical value is the usual form. Skill tested: calculation.

  • Gas volume from electrolysis charge
  • Mass deposited from gas volume evolved

Difficulty

Easy 1Medium 2Hard 0

3 of the 3 questions had a numerical answer.

Every question

All 3 questions

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

  1. 27 Jan 2024, Shift 1 · Q86The mass of silver (Molar mass of Ag : 108 g mol−1108\ \mathrm{g\ mol^{-1}}) displaced by a quantity of electricity which displaces 5600 mL of…EasyNumerical value
  2. 29 Jun 2022, Shift 1 · Q84A dilute solution of sulphuric acid is electrolysed using a current of 0.10 A for 2 hours to produce hydrogen and oxygen gas. The total…MediumNumerical value
  3. 9 Jan 2020, Shift 1 · Q48108 g of silver (molar mass 108 g mol−1\mathrm{mol^{-1}}) is deposited at cathode from AgNO3(aq)\mathrm{AgNO_3(aq)} solution by a certain quantity…MediumNumerical value

Shifts: 9 Jan 2020, Shift 1, 29 Jun 2022, Shift 1, 27 Jan 2024, Shift 1.

Same topic

Other ideas in Faraday's Laws of Electrolysis

Faraday's Laws of Electrolysis has 9 ideas JEE Main has asked; 4 of them came up in more than one question.

Topic analysisChapter analysisStudy this chapterAll repeated ideas