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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 30 June 2022, Shift 1, Chemistry Q80

Question 80 of 90 in this shift, Chemistry question 20 of 30, Section A.

The reagent neutral ferric chloride is used to detect the presence of ___________
  1. (1)sulphide ion and alcoholic −-OH group
  2. (2)acetate ion and phenolic −-OH group.Official answer
  3. (3)sulphide ion and phenolic −-OH group.
  4. (4)acetate ion and alcoholic −-OH group.

Official answer

Option 2

NTA final key.

Chapter
Alcohols, Phenols and Ethers
Topic
Anion Analysis
Idea tested
Acetate Neutral FeCl3 Test

Same idea in other shifts

Asked 2× in all
  1. 11 Apr 2023, Shift 1 · Q80When a solution of mixture having two inorganic salts was treated with freshly prepared ferrous sulphate in acidic medium, a dark brown…EasySingle correct

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.