Question

Basic strength is maximum for

• A. $(CH_{3})_{2} NH$
• B. $CH_{3}NH_{2}$
• C. $NH_{3}$
• D. $C_{6}H_{5}NH_{2}$

Answer 1

Answer: (A)

$(CH_{3})_{2} NH$

Answer 2

Aromatic amines are far less basic than ammonia and aliphatic amines due to conjugation of lone pair of electrons on $N$ with benzene ring. Aliphatic amines are stronger bases than am m onia due to $+I$ effect of alkyl groups.