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ChemistryMediumMCQ2021 · 24 Feb Shift 1

Q47.A and B in the following reactions are: (1) (2) (3) (4)

What This Question Tests

This question tests the sequential understanding of reactions involving primary amines, specifically diazotization followed by substitution using reagents like H₂O to form phenols.

Concepts Tested

Diazotization reactionSandmeyer reactionHydrolysis of diazonium salts

📚 NCERT Sections This Tests

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

Chemistry Class 12 · Chapter 9

83% 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

9.7Write Short Notes On The Following:

Chemistry Class 12 · Chapter 9

83% match

9.7 Write short notes on the following: (i) Carbylamine reaction (ii) Diazotisation (iii) Hofmann’s bromamide reaction (iv) Coupling reaction (v) Ammonolysis (vi) Acetylation (vii) Gabriel phthalimide synthesis.

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

Chemistry Class 12 · Chapter 8

81% match

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