Compound 'A' in the reaction below, possibly, is:

1.		2.
3.		4.	Both (1) and (2)

Which of the following compounds is the most reactive towards sulphonation?

1. Toluene               

2. Chlorobenzene

3. Nitrobenzene       

4. m-Xylene

The major product expected from the mono-bromination of phenyl benzoate is:

1.
2.
3.
4.

 The increasing order of the reactivity of the following compounds towards electrophilic aromatic substitution reaction is : 

(I)	(II)	(III)	(IV)

1. III < I < II < IV
2. III < II < I < IV
3. I < III < IV< II
4. III < I < IV < II