The products of combustion of an aliphatic thiol (RSH) at 298K are:-

(1) CO2(l), H2O(g)andSO2(g)

(2) CO2(g), H2O(g)andSO2(g)

(3) CO2(l), H2O(l)andSO2(g)

(4) CO2(g), H2O(l)andSO2(l)

Subtopic:  Alcohols: Preparation & Properties |
 73%
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Which reagent will convert propionic acid to propanol-1?

(1) KMnO4

(2) LiAlH4

(3) Cr2O3

(4) MnO2

Subtopic:  Alcohols: Preparation & Properties |
 87%
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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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The main product of the following reaction is:

C6H5CH2CH(OH)CH(CH3)2Conc. H2SO4?

(1) 

(2) 

(3) 

(4)  

Subtopic:  Alcohols: Preparation & Properties |
 53%
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Carbolic acid is the name used for:

1. Opium 

2. Phenol

3. Chloroform

4. H2CO3

Subtopic:  Phenols: Preparation & Properties |
 78%
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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 |
 61%
From NCERT
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Which represents Reimer-Tiemann reraction ?
(1)

(2)

(3)

(4)

Subtopic:  Phenols: Preparation & Properties |
 91%
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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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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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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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