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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceMatch the listEasyRecall

JEE Main 3 August 2021, Shift 1, Chemistry Q49

Question 49 of 90 in this shift, Chemistry question 19 of 30, Section A.

Match List I with List II : List I : A. Hell-Volhard-Zelinsky reaction ; B. Hinsberg’s reagent ; C. Isocyanide test ; D. Hoffmann bromamide degradation List II : I. Test for primary amines ; II. Preparation of α-halocarboxylic acids ; III. Preparation of primary amines ; IV. Differentiates 1º, 2º and 3º amines. Choose the correct answer from the options given below :
  1. (1)A → II, B → IV, C → I, D → IIIOfficial answer
  2. (2)A → III, B → IV, C → I, D → II
  3. (3)A → II, B → I, C → IV, D → III
  4. (4)A → III, B → I, C → II, D → IV

Official answer

Option 1

NTA final key.

Chapter
Amines
Topic
Amines
Idea tested
Hinsberg Test

Same idea in other shifts

Asked 13× in all
  1. 8 Apr 2024, Shift 1 · Q90Number of amine compounds from the following giving solids which are soluble in NaOH upon reaction with Hinsberg's reagent is __________.…MediumNumerical valueHas a figure
  2. 8 Apr 2024, Shift 2 · Q79Given below are two statements : Statement (I) : All the following compounds react with p-toluenesulfonyl chloride. C6H5NH2\mathrm{C_6H_5NH_2}…MediumTwo statements
  3. 1 Feb 2024, Shift 2 · Q89Number of compounds which give reaction with Hinsberg's reagent is ________. [figure: eleven structures in three rows]MediumNumerical valueHas a figure
  4. 6 Apr 2023, Shift 1 · Q73Compound P (M.F. C14H13ON\mathrm{C_{14}H_{13}ON}; M.F. = MOLECULAR FORMULA) on treatment with HCl, Δ\Delta gives a Filter step: Residue Q and…HardDiagram basedHas a figure
  5. 27 Jul 2022, Shift 1 · Q80Match List I with List II. List I | List II A. Benzenesulphonyl chloride | I. Test for primary amines B. Hoffmann bromamide reaction | II.…MediumMatch the list
  6. 29 Jul 2022, Shift 2 · Q77The Hinsberg reagent isEasySingle correctHas a figure
  7. 26 Jun 2022, Shift 2 · Q77Which statement is NOT correct for p-toluenesulphonyl chloride?EasySingle correct
  8. 26 Feb 2021, Shift 1 · Q47An amine on reaction with benzenesulphonyl chloride produces a compound insoluble in alkaline solution. This amine can be prepared by…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. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.