Q56.The reagent(s) required for the following conversion are: (1) (i) NaBH4 (ii) Raney Ni /H2 (iii) H3O+ (2) (i) LiAlH4 (ii) H3O+ (3) (i) B2H6 (ii)DIBAL −H (iii)H3O+ (4) (i) B2H6 (ii) SnCl2 / HCl (iii) H3O+
What This Question Tests
This question requires knowledge of specific reducing agents and their selectivity in reducing functional groups like carboxylic acids to primary alcohols and nitriles to primary amines.
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
9.5 — How Will You Convert:
Chemistry Class 12 · Chapter 9
9.5 How will you convert: (i) Ethanoic acid into methanamine (ii) Hexanenitrile into 1-aminopentane (iii) Methanol to ethanoic acid (iv) Ethanamine into methanamine (v) Ethanoic acid into propanoic acid (vi) Methanamine into ethanamine (vii) Nitromethane into dimethylamine (viii) Propanoic acid into ethanoic acid? 9.6 Describe a method for the identification of primary, secondary and tertiary amines. Also write chemical equations of the reactions involved.
📋 Question Details
- Chapter
- Aldehydes Ketones Carboxylic Acids
- Topic
- Reduction of carboxylic acids and nitriles
- Year
- 2018
- Shift
- 15 Apr
- Q Number
- Q56
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 12: Aldehydes Ketones Carboxylic Acids, Class 12 Chemistry Ch 13: Nitrogen Compounds
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