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Saturday, 31 October

JEE Main · Chemistry · Hydrocarbons

Kolbe's Electrolytic Method

JEE Main asked Kolbe's Electrolytic Method 2 times in 2 of the 108 shifts Lumi analysed, in 2024 and 2026. It belongs to Alkanes and Free Radicals, in Hydrocarbons (Chemistry). The longest wait between two years asking it was 2 years.

Updated 2026-10-24

Times asked
2
in 2 shifts
Years
2 of 8
First asked
2024
last in 2026
Pattern
New since 2024
across the analysed shifts

Questions on this idea a shift, by year

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

00.10.20’170’200’210’220’230.05’240’250.11’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 1 in 18 shifts · 2025: 0 in 8 shifts · 2026: 1 in 9 shifts.

Shift by shift

Each square is one analysed shift, in date order. Open a filled one for that paper.

  • 20261 of 9
  • 20250 of 8
  • 20241 of 18
  • 20230 of 12
  • 20220 of 24
  • 20210 of 24
  • 20200 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: application.

  • Statement i/ii on methane preparation
  • Count products of mixed kolbe electrolysis

Difficulty

Easy 0Medium 2Hard 0

1 of the 2 questions had a numerical answer.

Every question

All 2 questions

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

  1. 6 Apr 2026, Shift 1 · Q65Given below are two statements: Statement I: Methane can be prepared by decarboxylation of sodium ethanoate, Kolbe's electrolysis of…MediumTwo statements
  2. 31 Jan 2024, Shift 1 · Q87Number of alkanes obtained on electrolysis of a mixture of CH3COONa\mathrm{CH_3COONa} and C2H5COONa\mathrm{C_2H_5COONa} is _________.MediumNumerical value

Shifts: 31 Jan 2024, Shift 1, 6 Apr 2026, Shift 1.

Same topic

Other ideas in Alkanes and Free Radicals

Alkanes and Free Radicals has 18 ideas JEE Main has asked; 11 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisStudy this chapterAll repeated ideas