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Friday, 9 October

JEE Main 2023 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 8 April 2023, Shift 2, Chemistry Q75

Question 75 of 90 in this shift, Chemistry question 15 of 30, Section A.

A compound 'X' when treated with phthalic anhydride in presence of concentrated H2SO4\mathrm{H_2SO_4} yields 'Y'. 'Y' is used as an acid/base indicator. 'X' and 'Y' are respectively
  1. (1)Anisole, methyl orange
  2. (2)Toludine, Phenolphthalein
  3. (3)Salicylaldehyde, Phenolphthalein
  4. (4)Carbolic acid, PhenolphthaleinOfficial answer

Official answer

Option 4

NTA final key.

Chapter
Alcohols, Phenols and Ethers
Topic
Alcohols and Phenols
Idea tested
Phthalein Dye Test

Same idea in other shifts

Asked 2× in all
  1. 4 Apr 2026, Shift 1 · Q70Identify the colour of compound 'X' in the sequence of the reaction.MediumDiagram basedHas a figure

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 42 of the 174 JEE Main shifts held from 2017 to 2026.