Q55.The most suitable reagent for the conversion of R −CH2 −OH →R −CHO is : (1) KMnO4 (2) K2Cr2O7 (3) CrO3 (4) PCC (Pyridinium Chlorochromate)
What This Question Tests
This question evaluates the student's knowledge of specific reagents used for selective oxidation, specifically to convert a primary alcohol into an aldehyde without over-oxidation to a carboxylic acid.
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.
7.13 — Show How Will You Synthesise:
Chemistry Class 12 · Chapter 7
7.13 Show how will you synthesise: (i) 1-phenylethanol from a suitable alkene. (ii) cyclohexylmethanol using an alkyl halide by an SN2 reaction. (iii) pentan-1-ol using a suitable alkyl halide?
📋 Question Details
- Chapter
- Alcohols Phenols Ethers
- Topic
- Oxidation of alcohols
- Year
- 2014
- Shift
- 06 Apr
- Q Number
- Q55
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 11: Alcohols, Phenols and Ethers
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