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ChemistryMediumMCQ2018 · 08 Apr

Q56.The major product formed in the following reaction is: (1) (2) (3) (4)

What This Question Tests

This question tests the knowledge of the diazotization of an aromatic amine and the subsequent reduction of the diazonium salt by H3PO2 to replace the diazo group with hydrogen.

Concepts Tested

Diazotization reactionReduction of diazonium saltsHypophosphorous acid (H3PO2)

📚 NCERT Sections This Tests

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

Chemistry Class 12 · Chapter 9

79% 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

78% 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

78% match

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