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Saturday, 31 October

JEE Main 2023 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 8 April 2023, Shift 1, Chemistry Q62

Question 62 of 90 in this shift, Chemistry question 2 of 30, Section A.

The reaction 12H2(g)+AgCl(s)⇌H+(aq)+Cl−(aq)+Ag(s)\frac{1}{2}\mathrm{H_2(g)} + \mathrm{AgCl(s)} \rightleftharpoons \mathrm{H^+(aq)} + \mathrm{Cl^-(aq)} + \mathrm{Ag(s)} occurs in which of the given galvanic cell.
  1. (1)Ag ∣ AgCl(s) ∣ KCl(soln) ∣ AgNO3 ∣ Ag\mathrm{Ag\,|\,AgCl(s)\,|\,KCl(sol^n)\,|\,AgNO_3\,|\,Ag}
  2. (2)Pt ∣ H2(g) ∣ HCl(soln) ∣ AgNO3(soln) ∣ Ag\mathrm{Pt\,|\,H_2(g)\,|\,HCl(sol^n)\,|\,AgNO_3(sol^n)\,|\,Ag}
  3. (3)Pt ∣ H2(g) ∣ HCl(soln) ∣ AgCl(s) ∣ Ag\mathrm{Pt\,|\,H_2(g)\,|\,HCl(sol^n)\,|\,AgCl(s)\,|\,Ag}Official answer
  4. (4)Pt ∣ H2(g) ∣ KCl(soln) ∣ AgCl(s) ∣ Ag\mathrm{Pt\,|\,H_2(g)\,|\,KCl(sol^n)\,|\,AgCl(s)\,|\,Ag}

Official answer

Option 3

NTA final key.

Chapter
Electrochemistry
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.