The correct order of the acidic strength for the above compounds is -



     (I)       (II)       (III)

  \(\mathrm {NO_2}\)

1. I > II > III                           

2. III > I > II

3. II > III > I                           

4. I > III > II

Subtopic:  Phenols: Preparation & Properties |
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"A" in the reaction below is:

1. Chlorobenzene 2. 1,2-Dichlorobenzene
3. 1,3-dichlorobenzene 4. None of these
Subtopic:  Phenols: Preparation & Properties |
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The most acidic compound among the following is:

1.    2.  
3.   4.
Subtopic:  Phenols: Preparation & Properties |
 89%
From NCERT
NEET - 2020
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Potassium permanganate reagent is used for :

1. Oxidation of primary alcohol to carboxylic acid.
2. Oxidation of primary alcohol to aldehyde.
3. Bromination of phenol to 2,4,6-tribromophenol.
4. Dehydration of propan-2-ol to propene.

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol | Phenols: Preparation & Properties |
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The most acidic compound among the following is:

1.  2.  
3.   4.  
Subtopic:  Phenols: Preparation & Properties |
 89%
From NCERT
NEET - 2017
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Match the structures of the compounds given in Column I with the name of the compounds given in Column II.

Column I(Structure) Column II(Name)
A.   (i). Phenetole
B.  (ii). o-Cresol
C. (iii). Catechol
D. (iv).  Resorcinol

Codes:

A B C D
1. (ii) (iv) (i) (iii)
2. (iii) (i) (iv) (ii)
3. (i) (iv) (iii) (ii)
4. (iv) (iii) (ii) (i)
Subtopic:  Phenols: Preparation & Properties |
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Phenol in a set of reactions (as captured below) yielded a product Z.

\(\text{Phenol}\ \xrightarrow{\text{Zn Dust}}\ \text{X}\ \xrightarrow[\text{Anhy. }{AlCl_3}]{CH_3Cl}\ Y\)
\( Y\ \xrightarrow[KMnO_4]{\text{Alkaline}}\ Z\)
The structure of the product Z would be:

1. Toluene 2. Benzaldehyde
3. Benzoic acid 4. Benzene
Subtopic:  Phenols: Preparation & Properties |
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AIPMT - 2009
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The reagent used for the bromination of phenol to 2,4,6-tribromophenol is/are:

1. Bromine water
2. Br2, CS2
3. Br2, CCl4
4. AgBr

Subtopic:  Phenols: Preparation & Properties |
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The most acidic compound among the following is:

1.  2.
3. 4.
Subtopic:  Phenols: Preparation & Properties |
 82%
From NCERT
AIPMT - 2010
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The strongest acid among the following aromatic compounds is -

1. p-Chlorophenol 2. p-Nitrophenol
3. m-Nitrophenol 4. o- Nitrophenol
Subtopic:  Phenols: Preparation & Properties |
 77%
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