Regarding primary aliphatic amines, consider the statements listed below:
(I) The intermolecular association in primary amines is less than that in secondary amines.
(II) Primary amines can be prepared by the Gabriel phthalimide synthesis.
(III) Primary amines on treatment with nitrous acid give the corresponding alcohols except methyl amine.
(IV) Primary amines are less basic than secondary amines.
How many of the statements (I-IV) are correct?
Text Solution
Verified by ExpertsA
(I) False - primary amines show more H-bonding (two 
bonds) than secondary.
(II) True - Gabriel phthalimide synthesis gives 
amines.
(III) False - 
aliphatic amines give the corresponding alcohols, and methylamine also gives methanol.
(IV) True - in aqueous solution: basicity 
; hence 
.
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