What is formed when a primary alcohol undergoes catalytic dehydrogenation?               

1. Aldehyde           

2. Ketone         

3. Alkene           

4. Acid

Subtopic:  Alcohols: Preparation & Properties |
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Diethyl ether absorbs oxygen to form:

1. red colored sweet smelling compound

2. acetic acid

3. ether suboxide

4. ether peroxide

 

Subtopic:  Alcohols: Preparation & Properties |
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Fenton's reagent is:

1. H2O + FeSO4                     

2. H2O2 + FeSO4

3. H2O2 + ZnSO4                   

4. NaOH + FeSO4

Subtopic:  Alcohols: Preparation & Properties |
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Propan-1-ol may be prepared by reaction of propene with -              

1. CH3COOH                                         

2. H3BO3

3. B2H6/NaOH-H2O2                               

4. H2SO4/H2O     

Subtopic:  Alcohols: Preparation & Properties |
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The product A in the below mentioned reaction is:
 \(\xrightarrow[]{H_{2}O/H^{+}} \ \underset{(major)}{A} \ + \ \underset{(minor)}{B}\)

1.    2.  
3.   4.  
 

Subtopic:  Alcohols: Preparation & Properties |
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The correct order of decreasing acidic strength of the above compounds is -

1. III>I>II>IV                         

2. IV>III>I>II

3. II>IV>I>III                         

4. I>II>III>IV

Subtopic:  Phenols: Preparation & Properties |
 89%
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Power alcohol is a mixture of petrol and alcohol in the ratio:

1. 4:1                         

2. 1:4

3. 2:1                         

4. 1:2

Subtopic:  Alcohols: Preparation & Properties |
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The formula for allyl alcohol is- 

1. CH3-CH=CHOH                                  

2. CH2=CHCH2OH

3. HOCH2CH2CH3                                     

4. None of the above.

Subtopic:  Alcohols: Preparation & Properties |
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The -OH group of an alcohol or the -COOH group of a carboxylic acid on can be replaced

by -Cl using

1. phosphorus pentachloride

2. hypochlorous acid

3. chlorine

4. hydrochloric acid

Subtopic:  Alcohols: Preparation & Properties |
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p-nitrophenol is stronger acid than phenol because nitro group is:

1. Electron withdrawing                       

2. Electron donating

3. Basic                                             

4. Acidic

Subtopic:  Phenols: Preparation & Properties |
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