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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctMediumRecall

JEE Main 25 June 2022, Shift 2, Chemistry Q74

Question 74 of 90 in this shift, Chemistry question 14 of 30, Section A.

During halogen test, sodium fusion extract is boiled with concentrated HNO3\mathrm{HNO_3} to
  1. (1)remove unreacted sodium
  2. (2)decompose cyanide or sulphide of sodiumOfficial answer
  3. (3)extract halogen from organic compound
  4. (4)maintain the pH of extract.

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.