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

\mathrm{H_2SO_4}

yields 'Y'. 'Y' is used as an acid/base indicator. 'X' and 'Y' are respectively

(1)Anisole, methyl orange
(2)Toludine, Phenolphthalein
(3)Salicylaldehyde, Phenolphthalein
(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 4× in all

4 Apr 2026, Shift 1 · Q70Identify the colour of compound 'X' in the sequence of the reaction.MediumDiagram basedHas a figure
26 Aug 2021, Shift 2 · Q50Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. $\mathrm{H_2SO_4}$ ?EasyDiagram basedHas a figure
24 Feb 2021, Shift 1 · Q40Which of the following compound gives pink colour on reaction with phthalic anhydride in conc. $\mathrm{H_2SO_4}$ followed by treatment…EasySingle correctHas 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 108 of the 174 JEE Main shifts held from 2017 to 2026.