Please answer all

1. A mixture of toluic acid, heptylamine, and anthracene are given to you in lab. Indicate which is the acid, which is the base, and which is the neutral compound. Acid: Base: Neutral: 2. What is the structure of the compound extracted into the aqueous layer with 5%HCl ? 3. What is the structure of the compound extracted into the aqueous layer with 5%NaOH ? 4. What is the structure of the compound left in the organic layer after acid and base extraction