Q41.The increasing order of the pKa values of the following compounds is: (1) B < C < A < D (2) D < A < C < B (3) B < C < D < A (4) C < B < A < D
What This Question Tests
This question evaluates the ability to compare the acidity of different organic compounds based on their pKa values, requiring an understanding of substituent effects (inductive and resonance) on the stability of the conjugate base.
Concepts Tested
📚 NCERT Sections This Tests
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.
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.
7.16 — Explain How Does The –Oh Group Attached To A Carbon Of Benzene Ring
Chemistry Class 12 · Chapter 7
7.16 Explain how does the –OH group attached to a carbon of benzene ring activate it towards electrophilic substitution?
📋 Question Details
- Chapter
- Alcohols Phenols Ethers
- Topic
- Acidity of Phenols and Carboxylic Acids
- Year
- 2019
- Shift
- 10 Jan Shift 1
- Q Number
- Q41
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 11: Alcohols Phenols Ethers, Class 12 Chemistry Ch 12: Aldehydes Ketones Carboxylic Acids
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