Question

The acidic character of fatty acids _____ with an increase in molecular mass

• A. sometimes increases sometime decreases
• B. decreases
• C. increases
• D. none of the above

Answer 1

The correct option is B decreases

Acids: $R-COOH$

As the molecular mass increases, the electron donating capacity of the $"R"$ group increases, hence acidity decreases.

hence option (B) is correct.