Q45.Which one of the following reactions will not yield propanoic acid? (1) CH3 CH2 CH2 Br + Mg, CO2 dry ether /H3O+ (2) CH3 CH2 CH3 + KMnO4(Heat), OH−/H3O+ (3) CH3 CH2 CCl3 + OH−/H3O+ (4) CH3 CH2 COCH3 + OI−/H3O+
What This Question Tests
Tests knowledge of various methods for preparing carboxylic acids, requiring identification of the reaction pathway that does not yield propanoic acid, often involving oxidation or hydrolysis steps.
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.
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.
7.20 — How Are The Following Conversions Carried Out?
Chemistry Class 12 · Chapter 7
7.20 How are the following conversions carried out? (i) Propene ® Propan-2-ol. (ii) Benzyl chloride ® Benzyl alcohol. (iii) Ethyl magnesium chloride ® Propan-1-ol. (iv) Methyl magnesium bromide ® 2-Methylpropan-2-ol.
📋 Question Details
- Chapter
- Aldehydes Ketones Carboxylic Acids
- Topic
- Preparation of carboxylic acids
- Year
- 2021
- Shift
- 27 Aug Shift 2
- Q Number
- Q45
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 12: Aldehydes Ketones Carboxylic Acids
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