JEE Main 2021 Chemistry question

Which of the following is not a correct statement for primary aliphatic amines?

• (A)The intermolecular association in primary amines is less than the intermolecular association in secondary amines.Correct
• (B)Primary amines on treating with nitrous acid solution form corresponding alcohols except methyl amine.
• (C)Primary amines are less basic than the secondary amines.
• (D)Primary amines can be prepared by the Gabriel phthalimide synthesis.