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Friday, 9 October

JEE Main 2026 · ChemistryMultiple choiceDiagram basedMediumApplication

JEE Main 4 April 2026, Shift 1, Chemistry Q66

Question 66 of 75 in this shift, Chemistry question 16 of 25, Section A.

Amongst the following, the total number of compounds soluble in aqueous NaOH at room temperature is:

The figure, in words

Nine structures: (I) benzaldehyde; (II) 1-naphthol; (III) 4-(dimethylamino)phenol; (IV) 4-methylphenol (p-cresol); (V) benzoic acid; (VI) N,N-dimethylcyclohexylamine; (VII) 1-naphthoic acid; (VIII) 1,4-di-tert-butylbenzene; (IX) 1-naphthylmethanol (hydroxymethyl on naphthalene C-1).
  1. (1)55Official answer
  2. (2)44
  3. (3)66
  4. (4)33

Official answer

Option 1

NTA final key.

Chapter
Alcohols, Phenols and Ethers
Topic
Organic Acidity and Basicity
Idea tested
Reactivity with Na, NaOH, and NaHCO3

Same topic in other shifts

All Organic Acidity and Basicity questions
  1. 4 Apr 2026, Shift 2 · Q66The descending order of acidity among the following compounds is: A. phenol B. 4-nitrophenol (O2N\mathrm{O_2N} para to OH on the benzene…MediumOtherHas a figure
  2. 3 Apr 2025, Shift 1 · Q67The least acidic compound, among the following is: (A) [structure: 3-ethoxyphenol, EtO and OH meta on a benzene ring] (B) [structure:…MediumDiagram basedHas a figure
  3. 7 Apr 2025, Shift 1 · Q68Which of the following compounds is least likely to give effervescence of CO2\mathrm{CO_2} in presence of aq. NaHCO3\mathrm{NaHCO_3} ?EasyDiagram basedHas a figure
  4. 8 Apr 2025, Shift 2 · Q61Match the LIST-I with LIST-II LIST-I (Reagent) | LIST-II (Functional Group detected) A. Sodium bicarbonate solution | I. double bond/…MediumMatch the list
  5. 31 Jan 2024, Shift 1 · Q77Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: pKa\mathrm{pK_a} value…EasyAssertion–reason
  6. 28 Jul 2022, Shift 1 · Q74Among the following marked proton of which compound shows lowest pKa\mathrm{pK_a} value ?MediumSingle 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. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.