Q47. In the above reactions, product A and product B respectively are: JEE Main 2021 (20 Jul Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)
What This Question Tests
This question tests the knowledge of two named reactions: Gattermann-Koch reaction for formylation of benzene and reduction of a nitrile using DIBAL-H to form an aldehyde.
Concepts Tested
📚 NCERT Sections This Tests
7.21 — Name The Reagents Used In The Following Reactions:
Chemistry Class 12 · Chapter 7
7.21 Name the reagents used in the following reactions: (i) Oxidation of a primary alcohol to carboxylic acid. (ii) Oxidation of a primary alcohol to aldehyde. (iii) Bromination of phenol to 2,4,6-tribromophenol. (iv) Benzyl alcohol to benzoic acid. (v) Dehydration of propan-2-ol to propene. (vi) Butan-2-one to butan-2-ol.
8.17 — Complete Each Synthesis By Giving Missing Starting Material, Reagent Or Products
Chemistry Class 12 · Chapter 8
8.17 Complete each synthesis by giving missing starting material, reagent or products
7.17 — Give Equations Of The Following Reactions:
Chemistry Class 12 · Chapter 7
7.17 Give equations of the following reactions: (i) Oxidation of propan-1-ol with alkaline KMnO4 solution. (ii) Bromine in CS2 with phenol. (iii) Dilute HNO3 with phenol. (iv) Treating phenol wih chloroform in presence of aqueous NaOH.
📋 Question Details
- Chapter
- Aldehydes Ketones Carboxylic Acids
- Topic
- Gattermann-Koch reaction, Reduction of nitriles
- Year
- 2021
- Shift
- 20 Jul Shift 2
- Q Number
- Q47
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 12: Aldehydes Ketones Carboxylic Acids
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