Answer
a) Propanoic acid has the smallest alkyl group. As such, it is the most soluble.
b) Propanoic acid forms more hydrogen bonds with water. Therefore, it will be the most soluble.
Work Step by Step
a) Propanoic acid has the smallest alkyl group. As such, it is the most soluble.
b) Propanoic acid forms more hydrogen bonds with water. Therefore, it will be the most soluble.