Consider the following amines:
i. p-chloroaniline
ii. N-methylcyclopentylamine
iii. N-butylethylamine
What are the structures of the ammonium ion produced from the reaction of each of the following amines with an acid?

• A. i.ii.iii.
• B. i.ii.iii.
• C. i.ii.iii.
• D. i.ii.iii.

Answer: (C)