Learn

Saturday, 31 October

JEE Main 2024 · ChemistryMultiple choiceDiagram basedMediumMulti-step

JEE Main 6 April 2024, Shift 2, Chemistry Q77

Question 77 of 90 in this shift, Chemistry question 17 of 30, Section A.

Identify the product (A) in the following reaction. Aniline (benzene ring with NH2\mathrm{NH_2}) →(i) NaNO2+HCl; (ii) Cu2Cl2; (iii) NaOH, 623 K, 300 atm; (iv) H+\xrightarrow{\text{(i) NaNO}_2+\text{HCl; (ii) Cu}_2\text{Cl}_2\text{; (iii) NaOH, 623 K, 300 atm; (iv) H}^+} (A)

The figure, in words

Aniline treated with (i) NaNO2+HCl, (ii) Cu2Cl2, (iii) NaOH 623 K 300 atm, (iv) H+ gives product A.
  1. (1)[structure: 4-chlorophenol, benzene ring with Cl and OH para]
  2. (2)[structure: 4-chloroaniline, benzene ring with NH2 and Cl para]
  3. (3)[structure: phenol]Official answer
  4. (4)[structure: 4-aminophenol, benzene ring with NH2 and OH para]

Official answer

Option 3

NTA final key.

Chapter
Amines
Topic
Diazonium Salts
Idea tested
Sandmeyer Reaction

Same idea in other shifts

Asked 7× in all
  1. 5 Apr 2024, Shift 1 · Q88The number of halobenzenes from the following that can be prepared by Sandmeyer's reaction is ________. [figure: five monohalobenzenes I-V…EasyNumerical valueHas a figure
  2. 15 Apr 2023, Shift 1 · Q75[figure: 4-nitrotoluene (benzene ring with CH3\mathrm{CH_3} at top and NO2\mathrm{NO_2} at bottom) ⟶⟶\longrightarrow\longrightarrow benzoic…HardDiagram basedHas a figure
  3. 24 Feb 2021, Shift 2 · Q47What is the correct sequence of reagents used for converting nitrobenzene into mm-dibromobenzene ? [Scheme: nitrobenzene →\rightarrow…MediumDiagram basedHas a figure
  4. 26 Feb 2021, Shift 2 · Q46Match List-I with List-II. List-I | List-II (a) [figure: benzene ring with N2+Cl−\mathrm{N_2^+Cl^-}] →Cu2Cl2\xrightarrow{\mathrm{Cu_2Cl_2}}…MediumMatch the listHas a figure
  5. 9 Jan 2020, Shift 1 · Q42The major product Z obtained in the following reaction scheme is : (drawn starting material)…MediumDiagram basedHas a figure
  6. 4 Sep 2020, Shift 2 · Q42In the following reaction sequence, [C] is : [figure: ring drawn as a hexagon with a circle inside, NH2\mathrm{NH_2} at the top and…MediumDiagram basedHas 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 108 of the 174 JEE Main shifts held from 2017 to 2026.