JEE Main 29 January 2024, Shift 1, Chemistry Q86

Question 86 of 90 in this shift, Chemistry question 26 of 30, Section B.

The mass of zinc produced by the electrolysis of zinc sulphate solution with a steady current of 0.015 A for 15 minutes is ________

\times10^{-4}

g. (Atomic mass of zinc = 65.4 amu)

Official answer

NTA final key.

Chapter: Electrochemistry
Topic: Faraday's Laws of Electrolysis
Idea tested: Faraday's First Law

Same idea in other shifts

Asked 2× in all

25 Jun 2022, Shift 2 · Q85A solution of $\mathrm{Fe_2(SO_4)_3}$ is electrolyzed for ‘x’ min with a current of 1.5 A to deposit 0.3482 g of Fe. The value of x is…EasyNumerical value

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 108 of the 174 JEE Main shifts held from 2017 to 2026.