A liquid was mixed with ethanol and a drop of concentrated H2SO4 was added. A compound with a fruity smell was formed. The liquid was:

(1) HCHO

(2) CH3COCH3

(3) CH3COOH

(4) CH3OH

 

Subtopic:  Alcohols: Preparation & Properties |
 57%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The main product of the following reaction is:

C6H5CH2CH(OH)CH(CH3)2Conc. H2SO4?

(1) 

(2) 

(3) 

(4)  

Subtopic:  Alcohols: Preparation & Properties |
 52%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Carbolic acid is the name used for:

1. Opium 

2. Phenol

3. Chloroform

4. H2CO3

Subtopic:  Phenols: Preparation & Properties |
 78%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

When phenol is reacted with chloroform and an alkali like NaOH, the compound formed is salicylaldehyde. If we use pyrene in place of chloroform the product obtained is:

(1) salicylaldehyde

(2) phenolphthalein

(3) salicylic acid

(4) cyclohexanol

Subtopic:  Phenols: Preparation & Properties |
 58%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which represents Reimer-Tiemann reraction ?
(1)

(2)

(3)

(4)

Subtopic:  Phenols: Preparation & Properties |
 91%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

When phenol is treated with excess bromine water, it gives:

(1) m-bromophenol

(2) o- and p-bromophenol

(3) 2,4-dibromophenol

(4) 2,4,6-tribromophenol

Subtopic:  Phenols: Preparation & Properties |
 89%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In the reaction, Phenol DIstillationZn(A) Conc. HNO3 at 60°CConc. H2SO4(B) NaOH(aq)Zn(C)

The compounds (A),(B) and (C) are of the following:

(1) benzene, nitrobenzene and aniline

(2) benzene, dinitrobenzene and m-nitroaniline

(3) toluene, m-nitrobenzene and m-toluidine

(4) benzene, nitrobenzene and hydrazobenzene

Subtopic:  Phenols: Preparation & Properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Phenol on oxidation gives chloranil. The oxidant used is:

1. K2S2O8

2. KMnO4

3. KCIO3 + HCl

4. none of these

Subtopic:  Phenols: Preparation & Properties |
 64%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

A characteristic group test for phenolic gp. is:

1. Liebermann's nitroso reaction

2. coupling with diazonium salt

3. aqueous FeCl3

4. all of the above

Subtopic:  Phenols: Preparation & Properties |
 74%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Phenol can be converted into salicylic acid by

1. Etard's reaction

2. Kolbe's reaction

3. Phenol with CCl4 in basic medium

4. both (2) and (3) 

Subtopic:  Phenols: Preparation & Properties |
 58%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh