The number of primary alcohol isomers of C5H11OH is -

1. 5

2. 4

3. 2

4. 3

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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The decreasing order of boiling points of \(1^\circ\)\(2^\circ\), and \(3^\circ\) alcohol is-

1. \(1^\circ\)\(2^\circ\)\(3^\circ\)                            

2. \(3^\circ\)\(2^\circ\)\(1^\circ\)

3. \(2^\circ\) \(1^\circ\) \(3^\circ\)                             

4. None of the above

Subtopic:  Alcohols: Preparation & Properties |
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The boiling points of thio-ethers are .... than those of ether.

1. lesser                                   

2. equal

3. higher                                   

4. none of these

Subtopic:  Ethers: Preparation & Properties, Uses |
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The most effective reagent used to converts but-2-enal to but-2-enol is-

1. KMnO4

2. NaBH4

3. H2/Pt

4. K2Cr2O7/H2SO4

Subtopic:  Alcohols: 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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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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Glycerol on oxidation with conc HNO3 gives:

1. tartronic acid                               

2. mesoxalic acid

3. oxalic acid                                   

4. glyceric acid

Subtopic:  Alcohols: Preparation & Properties |
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Ethyl Chloride is converted into diethyl ether by- 

1. Wurtz synthesis

2. Grignard reaction

3. Perkin's reaction 

4. Williamson's synthesis

Subtopic:  Ethers: Preparation & Properties, Uses |
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Which is an excellent antiseptic?

1. Phenol 

2. Benzyl alcohol

3. Benzaldehyde 

4. Acetic acid

Subtopic:  Alcohols: Preparation & Properties |
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