JEE Main 2023 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 6 April 2023, Shift 2, Chemistry Q73

Question 73 of 90 in this shift, Chemistry question 13 of 30, Section A.

Formation of which complex, among the following, is not a confirmatory test of

\mathrm{Pb^{2+}}

ions

(1)lead chromate
(2)lead sulphate
(3)lead iodide
(4)lead nitrateOfficial answer

Official answer

Option 4

NTA final key.

Chapter: Organic Chemistry: Some Basic Principles and Techniques
Topic: Cation Analysis
Idea tested: Group I: Lead Chromate Test

Same topic in other shifts

All Cation Analysis questions

2 Apr 2026, Shift 1 · Q70A salt with few drops of conc. HCl gives apple green colour in flame test. The group precipitate of the salt is dissolved in acetic acid…MediumSingle correct
4 Apr 2026, Shift 2 · Q69Among $\mathrm{Fe^{3+}}$ , $\mathrm{Pb^{2+}}$ , $\mathrm{Cu^{2+}}$ and $\mathrm{Mn^{2+}}$ , identify the one that gets precipitated out while…MediumSingle correct
2 Apr 2025, Shift 1 · Q62Choose the correct tests with respective observations. (A) $\mathrm{CuSO_4}$ (acidified with acetic acid) +…MediumOther
7 Apr 2025, Shift 1 · Q63When a salt is treated with sodium hydroxide solution it gives gas X. On passing gas X through reagent Y a brown coloured precipitate is…EasySingle correct
4 Apr 2024, Shift 1 · Q72In the precipitation of the iron group (III) in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to :MediumSingle correct
6 Apr 2024, Shift 1 · Q72Match List I with List II LIST I (Precipitating reagent and conditions) A. $\mathrm{NH_4Cl + NH_4OH}$ B. $\mathrm{NH_4OH + Na_2CO_3}$ C.…MediumMatch the list

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.