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 |
 63%
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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 |
 74%
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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 |
 64%
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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 |
 82%
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Which is an excellent antiseptic?

1. Phenol 

2. Benzyl alcohol

3. Benzaldehyde 

4. Acetic acid

Subtopic:  Alcohols: Preparation & Properties |
 55%
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The dehydration of neo-pentanol gives mainly-

1. 

2. 

3. 

4. Nne of the above

Subtopic:  Alcohols: Preparation & Properties |
 65%
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Which one of the following on oxidation gives a ketone?                   

1. Primary alcohol                      2. Secondary alcohol

3. Tertiary alcohol                      4. All of these

Subtopic:  Alcohols: Preparation & Properties |
 84%
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In the following sequence of reactions, the product (C) is: 

CH3CHOPdH2 (A) Na (B) CH3I  (C)

1. Alcohol.                                 
2. Ether.
3. Alkene.                                 
4. None of the above.

Subtopic:  Alcohols: Preparation & Properties |
 81%
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Proof spirit contains about:

1. 48% alcohol by mass

2. 10% alcohol by mass

3. 5% alcohol by mass

4. 90% alcohol by mass

Subtopic:  Alcohols: Preparation & Properties |
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