Which of the following represents the correct order of acidic strength of the given compounds?

(I)	(II)	(III)

 

1. I > II > III                           

2. III > I > II

3. II > III > I                           

4. I > III > II

Which of the following factors is responsible for the higher boiling point of ethanol compared to dimethyl ether?

The compound B formed in the following sequence of reactions,

CH₃CH₂CH₂OH$\stackrel{{\mathrm{PCl}}_5}{\to }$A$\stackrel{\mathrm{Alc}.\mathrm{NaOH}}{\to }$B will be:

1. Propyne                                 

2. Propene

3. Propanal                                 

4. Propane

Chlorobenzene reacts with Mg in dry ether to give a compound (A) which further reacts

with ethanol to yield     

1. phenol                               

2. benzene

3. ethyl benzene                     

4. phenyl ether

Tautomerism is not exhibited by-

1.   

2. 
3. 

4. 

Which of the following has highest boiling point?

1. Benzene                         

2. Phenol

3. Toluene                           

4. Ethyl benzene

p-nitrophenol is stronger acid than phenol because nitro group is:

1. Electron withdrawing                       

2. Electron donating

3. Basic                                             

4. Acidic

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

The formula for allyl alcohol is:

1. CH₃-CH=CHOH                                  

2. CH₂=CHCH₂OH

3. HOCH₂CH₂CH₃                                     

4. None of the above.

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

1. 4:1                         

2. 1:4

3. 2:1                         

4. 1:2