A compound X with molecular formula C3H8O can be oxidised to a compound Y with the molecular formula C3H6O2. X is most likely to be:

1. Primary alcohol                     

2. Secondary alcohol

3. Aldehyde                               

4. Ketone

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
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The ionisation constant of phenol is higher than that of ethanol because -                   

1. Phenoxide ion is bulkier than ethoxide

2. Phenoxide ion is a stronger base than ethoxide

3. Phenoxide ion is stabilised through delocalisation

4. Phenoxide ion is less stable than ethoxide

Subtopic:  Alcohols: Preparation & Properties | Phenols: Preparation & Properties |
 82%
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The Williamson's synthesis reaction among the following is -

1.
2.
3.  \(C_2H_5I + C_2H_5ONa \rightarrow C_2H_5-O-C_2H_5 + NaI\)
4. 

Subtopic:  Ethers: Preparation & Properties, Uses |
 93%
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Which represents Riemer-Tiemann reaction?

Subtopic:  Phenols: Preparation & Properties |
 91%
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An organic compound A reacts with PCl3 to give B. The compound B with sodium metal in the presence of dry ether and gives n-butane. Thus, A and B are:

1. C2H5OH and C2H5Cl

2. C2H5Cl and C2H5ONa

3. C3H7OH and CH3CH2CH2OCl

4. C4H9OH and C4H9OCl

Subtopic:  Alcohols: Preparation & Properties |
 77%
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Compound that is not an alcohol-

1. CH2=CHCH2OH                            

2. CH2OHCH2OH

3. C6H5CH2OH                                 

4. C6H5OH

Subtopic:  Alcohols: Preparation & Properties |
 68%
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The boiling point of p-nitrophenol is higher than that of o-nitrophenol because -               

1. NOgroup at p-position behaves in a different way from that at o-position.

2. Intramolecular hydrogen bonding exists in p-nitrophenol.

3. There is intermolecular hydrogen bonding in p-nitrophenol.

4. p-Nitrophenol has a higher molecular weight than o-nitrophenol.

Subtopic:  Phenols: Preparation & Properties |
 81%
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The compound that generate methyl ethyl ketone upon oxidation is -

1. 2-Propanol                               

2. 1-Butanol

3. 2-Butanol                                 

4. tert-Butyl alcohol

Subtopic:  Alcohols: Preparation & Properties |
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Rectified spirit contains:

1. 75.0 % alcohol                           2. 85.5% alcohol

3. 95.6 % alcohol                           4. 100.0% alcohol

Subtopic:  Alcohols: Preparation & Properties |
 62%
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The reaction of  with RMgX leads to the formation of                       

1. RCHOHR                               

2. RCHOHCH3

3. RCH2CH2OH                         

4. >RRCHCH2OH

Subtopic:  Ethers: Preparation & Properties, Uses |
 75%
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