The most acidic compound among the following is:

1.    2.  
3.   4.

Subtopic:  Phenols: Preparation & Properties |
 88%
From NCERT
NEET - 2020
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Identify Z in the following reaction:

\(CH_3CH_2CH=CH_2 \xrightarrow[H_2O,\ H_2O_2,\ OH^-]{B_2H_6} Z \)

1. \(CH_3CH_2CH_2CH_2OH\) 2. \(CH_3CH_2 \ C \ HCH_3 \\~~~~~~~~~~~~~~~~~~| \\~~~~~~~~~~~~~~~~OH\)
3. \(CH_3CH_2CH_2CHO \) 4. \(CH_3CH_2CH_2CH_3 \)
Subtopic:  Alcohols: Preparation & Properties |
 79%
From NCERT
NEET - 2020
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The most reactive compound among the following for electrophilic aromatic substitution is:

1.  2.
3. 4.
Subtopic:  Phenols: Preparation & Properties |
 59%
From NCERT
NEET - 2020
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Upon dehydration, the below mentioned compound will not give:

1.  2.  
3.    4.  
Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 74%
From NCERT
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An appropriate set of reactants for the preparation of 1-methoxy-4-nitrobenzene is/are : 
 

1.
2.
3.
4.

Subtopic:  Electrophilic Substitution Reactions, Uses of Phenols |
 78%
From NCERT
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4-Methoxytoluene will be the major product in -
1. Friedel-Crafts reaction-alkylation of anisole
2. Nitration of anisole
3. Bromination of anisole in ethanoic acid medium
4. Friedel-Craft’s acetylation of anisole

Subtopic:  Ethers: Preparation & Properties, Uses |
 72%
From NCERT
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The alkoxy group in aryl alkyl ethers activate the benzene ring towards -

1. Nucleophilic addition reaction

2. Electrophilic addition reaction

3. Nucleophilic substitution reaction

4. Electrophilic substitution reaction

Subtopic:  Electrophilic Substitution Reactions, Uses of Phenols |
 61%
From NCERT
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The product formed on dehydration of propan-1-ol is -
1. 1-Propoxypropane  2. 2-Propoxypropane 
3. 1-Propoxyethane 4. 2-Ethoxypropane 

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol | Ethers: Preparation & Properties, Uses |
 66%
From NCERT
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The compound having the lowest boiling point is -

1. Ethanol 2. Methanol
3. Methoxymethane 4. Propanol
Subtopic:  Ethers: Preparation & Properties, Uses |
 74%
From NCERT
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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 |
 85%
From NCERT
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