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 most acidic compound among the following is:

1.	ClCH2-CH2OH	2.
3.		4.

"A" in the reaction below is:

Ortho nitrophenol is more acidic than ortho methoxy phenol because:

The product 'B' in the below mentioned reaction is-

1. Phenol 

2. Benzol

3. Sodium benzoate 

4. Benzal

The most acidic compound among the following is:

1.		2.
3.		4.

Potassium permanganate reagent is used for :

1. Oxidation of primary alcohol to carboxylic acid.
2. Oxidation of primary alcohol to aldehyde.
3. Bromination of phenol to 2,4,6-tribromophenol.
4. Dehydration of propan-2-ol to propene.

The most acidic compound among the following is:

1.		2.
3.		4.

Match the structures of the compounds given in Column I with the name of the compounds given in Column II.

Column I		Column II
A.		1.	Phenetole
B.		2.	o-Cresol
C.		3.	Catechol
D.		4.	Resorcinol

Codes:

The ionisation constant of phenol is higher than that of ethanol because -                   

1. Phenoxide ion is bulkier than ethoxide

2. Phenoxide ion is a stronger base than ethoxide

3. Phenoxide ion is stabilised through delocalisation

4. Phenoxide ion is less stable than ethoxide