JEE Main 2022 · ChemistryNumerical answerNumerical valueHardMulti-step

JEE Main 29 July 2022, Shift 2, Chemistry Q89

Question 89 of 90 in this shift, Chemistry question 29 of 30, Section B.

The number of stereoisomers formed in a reaction of

(\pm)

Ph(C=O)C(OH)(CN)Ph with HCN is _________ . [where Ph is -

\mathrm{C_6H_5}

]

Official answer

NTA final key.

Chapter: Aldehydes, Ketones and Carboxylic Acids
Topic: Nucleophilic Addition
Idea tested: Stereochemistry of Nucleophilic Addition

Same topic in other shifts

All Nucleophilic Addition questions

2 Apr 2026, Shift 2 · Q67A molecule (X) with following structure under mild acidic condition is hydrolysed to produce (Y) and (Z). Identify the correct statements…MediumSingle correct
5 Apr 2026, Shift 2 · Q66Given below are two statements : Statement I : The condensation reaction between $\mathrm{CH_3-CH=O}$ and $\mathrm{H_2N-NH-C(=O)-NH_2}$ …MediumTwo statements
7 Apr 2025, Shift 2 · Q68"P" is an optically active compound with molecular formula $\mathrm{C_6H_{12}O}$ . When 'P' is treated with 2, 4-dinitrophenylhydrazine, it…MediumDiagram basedHas a figure
6 Apr 2024, Shift 1 · Q79Which among the following aldehydes is most reactive towards nucleophilic addition reactions?EasySingle correctHas a figure
6 Apr 2024, Shift 2 · Q78Consider the given reaction, identify the major product P. $\mathrm{CH_3-COOH}$ …MediumSingle correct
30 Jan 2024, Shift 1 · Q90The compound formed by the reaction of ethanal with semicarbazide contains ________ number of nitrogen atoms.EasyNumerical value

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.