Consider following statements, which of the following statements are correct:
(I) Primary aliphatic amines give stable diazonium salts with 
at 
.
(II) Only primary amines (aliphatic or aromatic) answer the carbylamine test.
(III) In the Hinsberg test, the primary-amine sulfonamide is alkali-soluble because it has an acidic hydrogen.
(IV) Tertiary amines can be recovered unchanged after treatment with benzene sulfonyl chloride.
Choose the most appropriate answer from the options given below.
Text Solution
Verified by ExpertsC
(I): False - aliphatic diazonium salts are unstable; only aryl diazonium salts are stable at 
.
(II): True - carbylamine test is given only by primary amines (aliphatic/aromatic).
(III): True - primary sulfonamides (Hinsberg) have an acidic 
→ dissolve in alkali.
(IV): True - tertiary amines don't react with benzenesulfonyl chloride and are recovered unchanged.
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