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Saturday, 31 October

JEE Main 2021 · ChemistryNumerical answerNumerical valueMediumRecall

JEE Main 31 August 2021, Shift 1, Chemistry Q59

Question 59 of 90 in this shift, Chemistry question 29 of 30, Section B.

The total number of reagents from those given below, that can convert nitrobenzene into aniline is __________. (Integer answer) I. Sn −- HCl II. Sn −- NH4OH\mathrm{NH_4OH} III. Fe −- HCl IV. Zn −- HCl V. H2\mathrm{H_2} −- Pd VI. H2\mathrm{H_2} −- Raney Nickel

Official answer

5

NTA final key.

Chapter
Amines
Topic
Amines
Idea tested
Reduction of Nitro Compounds with Iron

Same topic in other shifts

All Amines questions
  1. 2 Apr 2026, Shift 1 · Q67Match List - I with List - II. List - I (Mixture of Compounds) : A. Diethyl amine + Ethyl amine B. Acetaldehyde + Acetone C. Ethanol +…MediumMatch the list
  2. 2 Apr 2026, Shift 1 · Q68Consider the three aromatic molecules (P, Q and R) whose structures have been given below : [figure: structures P, Q, R] The correct order…HardSingle correctHas a figure
  3. 4 Apr 2026, Shift 2 · Q67The strongest conjugate acid will result from:EasySingle correctHas a figure
  4. 5 Apr 2026, Shift 1 · Q66Benzyl isocyanide can be obtained from A. [figure: benzyl bromide, C6H5CH2Br\mathrm{C_6H_5CH_2Br}] →AgCN\xrightarrow{\mathrm{AgCN}} B. [figure:…MediumOtherHas a figure
  5. 5 Apr 2026, Shift 1 · Q68Identify the incorrect statements. A. [figure: benzylamine, C6H5CH2NH2\mathrm{C_6H_5CH_2NH_2}] is a stronger base than [figure: aniline,…MediumOtherHas a figure
  6. 5 Apr 2026, Shift 2 · Q67Given below are two statements : Statement I : Heating benzamide with bromine in an ethanolic solution of sodium hydroxide will give…MediumTwo statements

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.