The major product of the following reaction is-

1. a hemiacetal                 

2. an acetal

3. an ether                       

4. an ester

What is formed when a primary alcohol undergoes catalytic dehydrogenation?               

1. Aldehyde           

2. Ketone         

3. Alkene           

4. Acid

Fenton's reagent is:

1. H₂O + FeSO4                     

2. H₂O₂ + FeSO₄

3. H₂O₂ + ZnSO₄                   

4. NaOH + FeSO₄

Propan-1-ol may be prepared by reaction of propene with -              

1. CH₃COOH                                         

2. H₃BO₃

3. B₂H₆/NaOH-H₂O₂                               

4. H₂SO₄/H₂O     

Resorcinol and conc. H₂SO₄ in presence of phthalic anhydride produce a compound which is:

1. a dye                             2. an antiseptic

3. an indicator                    4. a detergent

When phenol is treated with an excess of bromine water, it gives-                    

1. m-Bromophenol                 

2. o- and p-Bromophenols

3. 2,4-Dibromophenol             

4. 2,4,6-Tribromophenol

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

Power alcohol is a mixture of petrol and alcohol in the ratio:

1. 4:1                         

2. 1:4

3. 2:1                         

4. 1:2

The formula for allyl alcohol is- 

1. CH₃-CH=CHOH                                  

2. CH₂=CHCH₂OH

3. HOCH₂CH₂CH₃                                     

4. None of the above.

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