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ChemistryHardMulti concept2019 · 12 Jan Shift 2

Q53.The major product in the following conversion is JEE Main 2019 (12 Jan Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

What This Question Tests

This is a complex multi-step synthesis problem requiring knowledge of several distinct organic reactions and their specific reagents, including free radical bromination, SN2, nitrile reduction, nitrous acid reaction, and strong oxidation.

Concepts Tested

Free radical halogenationNucleophilic substitution (SN2)Nitrile reductionReaction of primary amines with nitrous acidOxidation of alkyl side chains

📚 NCERT Sections This Tests

8.17Complete Each Synthesis By Giving Missing Starting Material, Reagent Or Products

Chemistry Class 12 · Chapter 8

80% match

8.17 Complete each synthesis by giving missing starting material, reagent or products

9.8Accomplish The Following Conversions:

Chemistry Class 12 · Chapter 9

76% match

9.8 Accomplish the following conversions: (i) Nitrobenzene to benzoic acid (ii) Benzene to m-bromophenol (iii) Benzoic acid to aniline (iv) Aniline to 2,4,6-tribromofluorobenzene (v) Benzyl chloride to 2-phenylethanamine (vi) Chlorobenzene to p-chloroaniline (vii) Aniline to p-bromoaniline (viii) Benzamide to toluene (ix) Aniline to benzyl alcohol.

9.9Give The Structures Of A, B And C In The Following Reactions:

Chemistry Class 12 · Chapter 9

76% match

9.9 Give the structures of A, B and C in the following reactions: B NaOH  Br 2 C (i) CH 3 CH 2 I NaCN A Partial OHhydrolysis CuCN H 2 O/H  NH 3 (ii) C 6 H 5 N 2 Cl  A  B  C 4 B HNO 2 C (iii) CH 3 CH 2 Br KCN A LiAlH 0  C  2  2 O/H HCl B H C  (iv) C6 H 5 NO 2 Fe/HCl A NaNO273 K 3 A NaOBr B NaNO 2 /HCl C (v) CH 3 COOH NH 2 B C 6 H 5 OH C (vi) C6 H 5 NO 2 Fe/HCl A HNO273K 279 Amines Reprint 2025-26

📋 Question Details

Chapter
Organic: Hydrocarbons, Haloalkanes & Haloarenes, Nitrogen Compounds, Aldehydes Ketones Carboxylic Acids
Topic
Multi-step organic synthesis
Year
2019
Shift
12 Jan Shift 2
Q Number
Q53
Type
Multi concept
NCERT Ref
Class 11 Chemistry Ch 13: Hydrocarbons, Class 12 Chemistry Ch 10: Haloalkanes & Haloarenes, Ch 12: Aldehydes Ketones Carboxylic Acids, Ch 13: Nitrogen Compounds
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