separation and purification scheme

how would i begin this?

we have a mixture of the following:50% benzoic acid, 40% benzoin, 10% dibromobenzene

they give us 1M NaOH, 6M NaOH, 1M HCl, 6M HCl, 1M NaHCO3, saturated sodium chloride, diethyl ether, 95% ethanol, methanol, isopropyl alcohol, acetone, hexane, toluene, methylene chloride, and granular anhydrous sodium sulfate and other solvents for cystalization.

i need to come up with a separation scheme (detailed procedure) and isolate TWO of the compounds in the mixture

To develop a separation and purification scheme for isolating two compounds from a mixture, you can follow these steps:

1. Determine the solubility of the compounds: Begin by checking the solubility of each compound in different solvents provided. Generally, compounds with similar polarities dissolve in the same solvent.

2. Based on the solubility results, you can start with the following separation steps:
a. Dissolve the mixture in a suitable solvent: Since benzoic acid and dibromobenzene are polar compounds, you can dissolve the mixture in a polar solvent like methanol or ethanol.
b. Filtration: Filter the solution to remove any insoluble impurities.

3. First separation:
a. Acid-Base Extraction: In order to separate benzoic acid from the mixture, conduct an acid-base extraction. Add 1M NaOH to the solution and isolate the precipitated benzoic acid.
b. Filtration: Filter the solution to collect the benzoic acid precipitate.
c. Acidification: Add 1M HCl dropwise to the benzoic acid precipitate until it dissolves, forming a solution of benzoic acid.

4. Second separation:
a. Aqueous Extraction: To isolate benzoin from the remaining solution, conduct an extraction using 6M NaOH. Benzoin is more soluble in strong base than in water, so it will partition into the aqueous phase.
b. Filtration: Filter the solution to obtain the aqueous phase containing benzoin.

5. Purification:
a. Acidification: Add 6M HCl dropwise to the aqueous phase from the previous step to precipitate the benzoin.
b. Filtration: Filter the solution to collect the benzoin precipitate.

6. Drying and recrystallization:
a. Drying: Dry the collected benzoic acid and benzoin precipitates. Use granular anhydrous sodium sulfate to absorb any remaining moisture.
b. Recrystallization: Dissolve each precipitate separately in a suitable solvent such as ethanol or methanol and allow them to crystallize. Filter and dry the crystals to obtain pure compounds.

Remember, this is just a general outline, and you may need to make adjustments based on the specific properties of the compounds and solvents available to you. It is advisable to consult relevant literature and laboratory procedures for the exact conditions and techniques to perform the separation and purification.