Which of the following are known as mercaptans?

1. Thio-alcohols                         

2. Thio-ethers

3. Thio-aldehydes                     

4. Thio-acids

Subtopic:  Ethers: Preparation & Properties, Uses |
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Glycol condenses with ketones to give:

1. Cyclic acetals                   
2. Cyclic ketals
3. Acetaldehyde                   
4. oxalic acid

Subtopic:  Alcohols: Preparation & Properties |
 73%
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Salol is used as:

1. antiseptic                               

2. antipyretic

3. both 1. and 2.                     

4. none of these

Subtopic:  Ethers: Preparation & Properties, Uses |
 53%
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Given is a reaction for your reference:

\(CH_3CH_2CH_2OH \xrightarrow[160\ - \ 180 ^\circ C]{Conc.\ H_2SO_4}\ X\ \xrightarrow{Br_2}\ Y\)
\( Y\ \xrightarrow[2.\ NaNH_2]{1.\ Alc.\ KOH}\ Z\)

The final product Z is:

1.  2.
3. 4.  \(CH_3-C\equiv CH\)
Subtopic:  Alcohols: Preparation & Properties |
 68%
From NCERT
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Ethyl propanoate on reduction with LiAlH4 yields:

1. Methanol

2. Ethanol and Propanol

3. Propane

4. Mixture of ethanol and methanol

Subtopic:  Ethers: Preparation & Properties, Uses |
 79%
From NCERT
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The most acidic alcohol among the following is -

1. Methanol                               

2. Ethanol

3. Isopropyl alcohol                     

4. t-Butyl alcohol

Subtopic:  Alcohols: Preparation & Properties |
 70%
From NCERT
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Consider the following reaction,

PhenolZn-dustXAnhy.AlCl3CH3ClYAlk.KMnO4Z                                     

The product Z is

1. toluene

2. benzaldehyde

3. benzoic acid

4. benzene

Subtopic:  Phenols: Preparation & Properties |
 80%
From NCERT
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The product in the reaction is:

C2H5OH P+I2AEtherMgBHCHOCH2OD

1. propanal                           

2. butanal

3. n-butanol                         

4.  n-propanol

Subtopic:  Alcohols: Preparation & Properties |
 66%
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The compund that reacts fastest with Lucas reagent (at room temperature) is -

1. Butan-1-ol

2. Butan-2-ol

3. 2-Methyl propan-1-ol

4. 2-Methyl propan-2-ol

Subtopic:  Alcohols: Preparation & Properties |
 83%
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An alcohol that give CH3COOH and CH3CH2COOH upon oxidation is:

1. CH3CH2CH2OH

2. (CH3)2C(OH)CH2CH3

3. CH3(CH2)2CHOH

4. CH3CH(OH)CH2CH2CH3

Subtopic:  Alcohols: Preparation & Properties |
 67%
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