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Saturday, 31 October

JEE Main 2024 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 30 January 2024, Shift 1, Chemistry Q69

Question 69 of 90 in this shift, Chemistry question 9 of 30, Section A.

The Lassiagne's extract is boiled with dil HNO3\mathrm{HNO_3} before testing for halogens because,
  1. (1)Silver halides are soluble in HNO3\mathrm{HNO_3}.
  2. (2)Na2S\mathrm{Na_2S} and NaCN are decomposed by HNO3\mathrm{HNO_3}.Official answer
  3. (3)Ag2S\mathrm{Ag_2S} is soluble in HNO3\mathrm{HNO_3}.
  4. (4)AgCN is soluble in HNO3\mathrm{HNO_3}.

Official answer

Option 2

NTA final key.

Chapter
Organic Chemistry: Some Basic Principles and Techniques
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.