Question

Which compound will give - (i) positive iodoform test (ii) 2, 4 dnp test (iii) diazonium formation?

Answer 1

Ethanal is the only aldehydewhich gives positive iodoform test.

carbonyl groupsassociated with aldehydes andketones.

Diazonium salts are made by taking an alkyl or aryl primary amine and reacting it with sodium nitrite in the presence of hydrochloric acid.