How will you convert toluene into sym-trinitrobenzene?

Why is an amide more acidic than amine?

Why does bromination of aniline, even under very mild conditions, gives 2, 4, 6-tribromoaniline instantaneously?

(a) Write the structures of the main products when aniline reacts with the following reagents:
(i) Br₂ water
(ii) HCI
(iii) (CH₃CO)₂O / pyridine
(b) Arrange the following in the increasing order of their boiling point:
C₂H₅NH₂ , C₂H₅OH, (CH₃)₃N
(c) Give a simple chemical test to distinguish between the following pair of compounds:
(CH₃)₂NH and (CH₃)₃N

(a) Write the structures of main products when products when benzene diazonium chloride reacts with the following reagents:
(i) H₃PO₂+H₂O
(ii) CuCN/KCN
(iii) H₂O
(b) Arrange the following in the increasing order of their basic character in an aqueous solution:
C₂H₅NH₂ , (C₂H₅)₂NH, (C₂H₅)₃N
(c) Give a simple chemical test to distinguish between the following pair of compounds:
C₆H₅-NH₂ and C₆H₅-NH-CH₃

The leakage of the vapors of a highly poisonous gas in Union Carbide India Ltd in Bhopal about 30 years ago was one of the dreadful disaster which people of bhopal had faced Thousands lost their lives and many more get crippled for rest of their lives.
(i) What is the chemical name of the poisonous vapours?
(ii) How it can be synthesized in the laboratory?
(iii) How did it damage human system?
(iv) As a student of chemistry what remedial measures do you suggest?