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Saturday, 31 October

JEE Main 2024 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 8 April 2024, Shift 2, Chemistry Q64

Question 64 of 90 in this shift, Chemistry question 4 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)} \rightarrow \mathrm{H^+(aq)} + \mathrm{Cl^-(aq)} + \mathrm{Ag(s)} occurs in which of the following galvanic cell :
  1. (1)Ag ∣ AgCl(s) ∣ KCl(soln.) ∣ AgNO3(aq.) ∣ Ag\mathrm{Ag\,|\,AgCl(s)\,|\,KCl(soln.)\,|\,AgNO_3(aq.)\,|\,Ag}
  2. (2)Pt ∣ H2(g) ∣ KCl(soln.) ∣ AgCl(s) ∣ Ag\mathrm{Pt\,|\,H_2(g)\,|\,KCl(soln.)\,|\,AgCl(s)\,|\,Ag}
  3. (3)Pt ∣ H2(g) ∣ HCl(soln.) ∣ AgCl(s) ∣ Ag\mathrm{Pt\,|\,H_2(g)\,|\,HCl(soln.)\,|\,AgCl(s)\,|\,Ag}Official answer
  4. (4)Pt ∣ H2(g) ∣ HCl(soln.) ∣ AgNO3(aq) ∣ Ag\mathrm{Pt\,|\,H_2(g)\,|\,HCl(soln.)\,|\,AgNO_3(aq)\,|\,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.