Q46.An organic compound ' π΄ ' with empirical formula C6H6O gives sooty flame on burning. Its reaction with bromine solution in low polarity solvent results in high yield of π΅ . π΅ is (1) (2) (3) (4)
What This Question Tests
This question tests the reactivity of phenol towards bromination in a low polarity solvent, which leads to mono-substitution rather than multiple substitutions.
Concepts Tested
π NCERT Sections This Tests
7.17 β Give Equations Of The Following Reactions:
Chemistry Class 12 Β· 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.
7.21 β Name The Reagents Used In The Following Reactions:
Chemistry Class 12 Β· 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.
6.21 β Primary Alkyl Halide C4H9Br (A) Reacted With Alcoholic Koh To Give Compound (B).
Chemistry Class 12 Β· Chapter 6
6.21 Primary alkyl halide C4H9Br (a) reacted with alcoholic KOH to give compound (b). Compound (b) is reacted with HBr to give (c) which is an isomer of (a). When (a) is reacted with sodium metal it gives compound (d), C8H18 which is different from the compound formed when n-butyl bromide is reacted with sodium. Give the structural formula of (a) and write the equations for all the reactions.
π Question Details
- Chapter
- Alcohols Phenols Ethers
- Topic
- Reactions of phenols
- Year
- 2023
- Shift
- 31 Jan Shift 1
- Q Number
- Q46
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 11: Alcohols, Phenols and Ethers
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