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

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

1. Electron withdrawing                       

2. Electron donating

3. Basic                                             

4. Acidic

Which of the following has highest boiling point?

1. Benzene                         

2. Phenol

3. Toluene                           

4. Ethyl benzene

Tautomerism is not exhibited by-

1. 

2. 
3. 

4. 

The correct order of the acidic strength for the above compounds is -

(I)	(II)	(III)

1. I > II > III                           

2. III > I > II

3. II > III > I                           

4. I > III > II

The boiling point of ethanol is higher than that of dimethyl ether due to the presence of

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