JEE Main 2024 · ChemistryNumerical answerNumerical valueMediumApplication

JEE Main 31 January 2024, Shift 1, Chemistry Q87

Question 87 of 90 in this shift, Chemistry question 27 of 30, Section B.

Number of alkanes obtained on electrolysis of a mixture of

\mathrm{CH_3COONa}

and

\mathrm{C_2H_5COONa}

is _________.

Official answer

NTA final key.

Chapter: Hydrocarbons
Topic: Alkanes and Free Radicals
Idea tested: Kolbe's Electrolytic Method

Same idea in other shifts

Asked 2× in all

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

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.