B-4.Which of the following arylamines will not form a diazonium salt on reaction with sodiumnitrite in hydrochloric acid?(a)m-Ethylaniline(b)4-Chloro-2-nitroaniline(c)p-Aminoacetophenone(d)N-Ethyl-2-methylanilineB-5.The amines shown are isomers. Choose the one with the lowest boiling point.(a)(bcd)B-6.Which of the following is the strongest acid?(ad)(be)(c)B-7.The reactiongives as fnal product(a)A primary amine(b)A secondary amine(c)A tertiary amine
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