Which structural change occurs in amide formation between a carboxylic acid and an amine?

• A. A bond forms between the oxygen of the carboxylic acid and the nitrogen of the amine.
• B. A bond forms between the carbon of the carboxylic acid and the nitrogen of the amine.
• C. A bond forms between two oxygen atoms.
• D. A bond forms between the hydrogen of the amine and the oxygen of the carboxylic acid.

Answer: (B)