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Separation of a compound of benzoic acid and aniline by solvent separation and recrystalisation, and a compound of Hexane and Heptane by distillation.
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- Words:
- 1022
- Submitted:
- Sun Dec 15 2002
... Separation of a compound of benzoic acid and aniline by solvent separation and recrystalisation, and a compound of Hexane and Heptane by distillation. Shawn Davis, Ray Marshall, Christine Meier Separation of a compound containing benzoic acid (RCO2H) and aniline (RNH2) is done by adding Hydrochloric acid and Dichloromethane to it. The HCl reacts to the weak benzoic acid to form a salt and become water-soluble. HCl is added again to obtain salt water and a purified benzoic solid. The dichloromethane reacts with aniline to produce a basic salt and an aqueous layer and then NaOH and CH Cl is added to produce pure aniline and NaCl. The purity level is determined by running an IR spectrum on both the benzoic acid and aniline. The melting points of both were taken, and were compared with data previously proven to confirm the purity. A new sample was given, containing hexane and heptane,
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