The order of decreasing acidic character of cyclohexanol (I), acetic acid (II), 2,4,6-trinitrophenol (III), and phenol (IV),is -                                                     

1. III>II>IV>I 

2. II>III>I>IV

3. II>III>IV>I 

4.  III>IV>II>I

Subtopic:  Phenols: Preparation & Properties |
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Picric acid and benzoic acid can be distinguished by:

1. Aqueous NaHCO3                   

2. Aqueous NaOH

3. Aqueous FeCl3                       

4. Aqueous Na2CO3  

Subtopic:  Alcohols: Preparation & Properties |
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Butan-2-ol is a-

1. Primary alcohol                     

2. Secondary alcohol

3. Tertiary alcohol                       

4. None of the above

Subtopic:  Alcohols: Preparation & Properties |
 92%
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Primary alcohols can be obtained from the reaction of the RMgX with:

1. HCHO                       

2. H2O

3. CO2                         

4. CH3CHO

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 79%
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CH3CH2ClNaCNNi/H2YAcetic anhydrideZ

In the above reaction sequence, Z is

1. CH3CH2CH2NHCOCH3

2. CH3CH2CH2NH2

3. CH3CH2CH2CONHCH3

4. CH3CH2CH2CONHCOCH3

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 69%
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The commonly used dehydrating agent in the preparation of an ester is :

1. P2O5                                   

2. Anhydride CaCl2

3. Anhydride AlCl3                     

4.Conc. H2SO4

Subtopic:  Alcohols: Preparation & Properties |
 58%
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Oxidation of allylic alcohol, (CH2=CH-CH2OH) gives a mixture of oxalic acid and formic acid. If this oxidation is done in presence of bromine. One would expect only:

1. Oxalic acid

2. Formic acid

3. Succinic acid

4. Acrylic acid

Subtopic:  Alcohols: Preparation & Properties |
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Consider the following reaction, 

Ethanol PBr3XAlc.KOHY(ii)H2O, heat(i) H2SO4, room temperatureZ

product Z is:

1. CH2=CH2

2. CH3CH2OCH2CH3

3. CH3CH2OSO3H

4. CH3CH2OH

Subtopic:  Alcohols: Preparation & Properties |
 56%
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AIPMT - 2009
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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 |
 72%
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