Phenol and benzoic acid can be distinguished by:

1. Aqueous NaHCO3                           

2. Aqueous NaNO3

3. Aqueous NaOH                               

4. Conc. H2SO4

Subtopic:  Phenols: Preparation & Properties |
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23g of sodium react with CH3OH to give: 

1. 1 mole of O2                           2. 1/2 mole of H2

3. 1 mole of H2                           4. None of the above

Subtopic:  Alcohols: Preparation & Properties |
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The decreasing order of boiling points of 1°,2°,3° alcohol is:

1. 1°>2°>3°                             

2. 3°>2°>1°

3. 2°>1°>3°                             

4. None of the above

Subtopic:  Alcohols: Preparation & Properties |
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Phenol is less soluble in water. It is due to:

1. Non-polar nature of phenol

2. Acidic nature of -OH group

3. Non-polar hydrocarbon part in it

4. None of the above

Subtopic:  Phenols: Preparation & Properties |
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How many isomers of C5H11OH will be primary alcohols?

1. 5

2. 4

3. 2

4. 3

Subtopic:  Alcohols: Preparation & Properties |
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What mass of isobutylene is obtained from 37 g of tertiary butyl alcohol by heating with 20% H2SO4 at 363 K, if the yield is 65%?

1. 16 g

2. 18.2 g

3. 20 g

4. 22 g

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 stronger base than ethoxide

3. Phenoxide ion is stabilised through delocalisation

4. Phenoxide ion is less stable than ethoxide

Subtopic:  Phenols: Preparation & Properties |
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Reaction of ethyl formate with excess of CH3MgI followed by hydrolysis gives

1. n-propyl alcohol                 

2. Ethanol             

3. Isopropyl alcohol             

4. Propanal

 

Subtopic:  Alcohols: Preparation & Properties |
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The product that forms when sodium phenoxide is heated with ethyl iodide is-             

1. Phenetole

2. Ethyl phenyl alcohol

3. Phenol

4. None of the above

Subtopic:  Ethers: Preparation & Properties, Uses |
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Among the following sets of reactants which one produces anisole?                           

1. CH3CHO, RMgX

2. C6H5OH, NaOH, CH3I

3. C6H5OH, neutral FeCl3

4. C6H5-CH3, CH3COCl, AlCl3

Subtopic:  Ethers: Preparation & Properties, Uses |
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