JEE Main 2024 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 30 January 2024, Shift 2, Chemistry Q76

Question 76 of 90 in this shift, Chemistry question 16 of 30, Section A.

Salicylaldehyde is synthesized from phenol, when reacted with

(1) $\mathrm{CO_2}$ , NaOH
(2) $\mathrm{H-C(=O)-Cl}$ , NaOH (formyl chloride drawn as a structure)
(3) $\mathrm{HCCl_3}$ , NaOHOfficial answer
(4) $\mathrm{CCl_4}$ , NaOH

Official answer

Option 3

NTA final key.

Chapter: Alcohols, Phenols and Ethers
Topic: Alcohols and Phenols
Idea tested: Reimer-Tiemann Reaction

Same idea in other shifts

Asked 9× in all

6 Apr 2024, Shift 1 · Q78In Reimer - Tiemann reaction, phenol is converted into salicylaldehyde through an intermediate. The structure of intermediate is __________.EasyDiagram basedHas a figure
8 Apr 2024, Shift 2 · Q77Match List - I with List - II. List - I (Reactions) | List - II (Products) (A) aniline ( $\mathrm{C_6H_5NH_2}$ ) with (i)…MediumMatch the listHas a figure
25 Jun 2022, Shift 1 · Q76The intermediate X, in the reaction : [figure: $\mathrm{CHCl_3}$ + Aq. NaOH + benzene ring with OH substituent, arrow to [X]; below [X] an…EasyDiagram basedHas a figure
27 Jun 2022, Shift 2 · Q75Match List I with List II. List I | List II A. [drawn: benzene ring bearing OH $\rightarrow$ benzene ring bearing OH and, on a…MediumMatch the listHas a figure
4 Aug 2021, Shift 1 · Q46Match List I with List II List I List II A. Kolbe's Reaction I. [structure: benzene ring with a CHO substituent] B. Gatterman-Koch…MediumMatch the listHas a figure
26 Feb 2021, Shift 1 · Q45Identify the major products A and B respectively in the following reactions of phenol : [reaction scheme, see figure_note]MediumDiagram basedHas a figure
22 Jul 2021, Shift 2 · Q45An organic compound A ( $\mathrm{C_6H_6O}$ ) gives dark green colouration with ferric chloride. On treatment with $\mathrm{CHCl_3}$ and KOH,…MediumDiagram basedHas a figure
6 Sep 2020, Shift 2 · Q50A solution of phenol in chloroform when treated with aqueous NaOH gives compound P as a major product. The mass percentage of carbon in P…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.