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Friday, 9 October

JEE Main 2026 · ChemistryMultiple choiceSingle correctMediumMulti-step

JEE Main 2 April 2026, Shift 2, Chemistry Q67

Question 67 of 75 in this shift, Chemistry question 17 of 25, Section A.

A molecule (X) with following structure under mild acidic condition is hydrolysed to produce (Y) and (Z). Identify the correct statements about (Y) and (Z). \begin{array}[t]{c} & | \\ \quad O \\ || \\ & C \end{array}-\begin{array}[t]{c} \\ | \\ (X) \end{array} A. Both (Y) and (Z) have same molar mass. B. (Y) and (Z) can be distinguished from each other by NaHCO3NaHCO_3. C. (Y) and (Z) react with HCN with same rates. D. (Y) and (Z) undergo addition reaction with 2,4-DNP. Choose the correct answer from the options given below:
  1. (1)A, B and C Only
  2. (2)B and C Only
  3. (3)C and D Only
  4. (4)A and D OnlyOfficial answer

Official answer

Option 4

NTA final key.

Chapter
Aldehydes, Ketones and Carboxylic Acids
Topic
Nucleophilic Addition
Idea tested
Acetal Hydrolysis Conditions

Same topic in other shifts

All Nucleophilic Addition questions
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  2. 7 Apr 2025, Shift 2 · Q68"P" is an optically active compound with molecular formula C6H12O\mathrm{C_6H_{12}O}. When 'P' is treated with 2, 4-dinitrophenylhydrazine, it…MediumDiagram basedHas a figure
  3. 6 Apr 2024, Shift 2 · Q78Consider the given reaction, identify the major product P. CH3−COOH\mathrm{CH_3-COOH}…MediumSingle correct
  4. 31 Jan 2024, Shift 1 · Q89The product of the following reaction is P. 4-Hydroxybenzaldehyde, (i) PhMgBr (1 equiv.), (ii) aq. NH4Cl\mathrm{NH_4Cl}, gives P The number…MediumNumerical valueHas a figure
  5. 24 Jun 2022, Shift 1 · Q89Number of electrophilic centres in the given compound is ______.MediumNumerical valueHas a figure
  6. 25 Jul 2021, Shift 1 · Q43[figure: but-3-en-2-one, CH2=CH-C(=O)-CH3, treated with (i) C2H5MgBr\mathrm{C_2H_5MgBr}, dry ether (ii) H2O\mathrm{H_2O}, HCl giving P (Major…HardSingle 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 42 of the 174 JEE Main shifts held from 2017 to 2026.