JEE Main 2024 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 4 April 2024, Shift 1, Chemistry Q64

Question 64 of 90 in this shift, Chemistry question 4 of 30, Section A.

One of the commonly used electrode is calomel electrode. Under which of the following categories, calomel electrode comes ?

(1)Gas - Ion electrodes
(2)Metal ion - Metal electrodes
(3)Metal - Insoluble Salt - Anion electrodesOfficial answer
(4)Oxidation - Reduction electrodes

Official answer

Option 3

NTA final key.

Chapter: Electrochemistry
Topic: Nernst Equation
Idea tested: Calomel Electrode Potential

Same topic in other shifts

All Nernst Equation questions

2 Apr 2026, Shift 1 · Q57An electrochemical cell is constructed using half cells in the direction of spontaneous change…MediumSingle correct
4 Apr 2026, Shift 2 · Q73An electrochemical cell, consist of the following two redox couples, $\mathrm{M^{x+}(aq)/M(s)}$ $[E^\ominus_{red}=+0.15\ \mathrm{V}]$ and…HardNumerical value
5 Apr 2026, Shift 2 · Q57One half cell in a voltaic cell is constructed by dipping silver rod in $\mathrm{AgNO_3}$ solution of unknown concentration, other half…MediumSingle correct
6 Apr 2026, Shift 2 · Q57For a general redox reaction Anode : $\mathrm{Red_1\rightarrow Ox_1^{n_1+}+n_1e^-}$ Cathode :…MediumOtherHas a figure
8 Apr 2026, Shift 2 · Q56Given at 298 K : $E^{\ominus}_{\mathrm{Fe^{2+}/Fe}} = X$ Volt $E^{\ominus}_{\mathrm{Fe^{3+}/Fe}} = Y$ Volt The…MediumSingle correct
2 Apr 2025, Shift 1 · Q71Consider the following electrochemical cell at standard condition. $\mathrm{Au(s)|QH_2,Q|NH_4X(0.01\ M)||Ag^+(1\ M)|Ag(s)}$ …HardNumerical valueHas a figure

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.