Synthetic Dyes

Q. Aniline when diazotized in cold and then treated with dimethyl aniline gives a coloured product. Its structure would be.

1. 
2. 
3. 
4. 

Q. Aniline, in a set of the following reactions, yielded a coloured product 'Y', The structure of 'Y' is:

1. 
2. 
3. 
4. None of the above

Q. The intermediate formed when $C{l}_2$ reacts with benzene in presence of $AlC{l}_3$ is: