Q43.Which of the following reagents may be used to distinguish between phenol and benzoic acid ? (1) Tollen's reagent (2) Molisch reagent (3) Neutral FeCl3 (4) Aqueous NaOH
What This Question Tests
The question requires comparing the acid strengths of different carboxylic acids by evaluating the effect of substituents (inductive effect) and their position relative to the carboxyl group.
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.
7.14 — Give Two Reactions That Show The Acidic Nature Of Phenol. Compare Acidity
Chemistry Class 12 · Chapter 7
7.14 Give two reactions that show the acidic nature of phenol. Compare acidity of phenol with that of ethanol.
7.8 — Ortho And Para Nitrophenols Are More Acidic Than Phenol. Draw The
Chemistry Class 12 · Chapter 7
7.8 Ortho and para nitrophenols are more acidic than phenol. Draw the resonance structures of the corresponding phenoxide ions.
📋 Question Details
- Chapter
- Aldehydes Ketones Carboxylic Acids
- Topic
- Acidity of carboxylic acids
- Year
- 2011
- Shift
- Unknown
- Q Number
- Q43
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 12: Aldehydes Ketones Carboxylic Acids
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