Based on your observations during our experiment, would water make a suitable solvent for the recrystallization of benzoic acid that is significantly contaminated with fluorene using the method employed in our experiment? If not, suggest a technique that might be used to improve the outcome using water as the solvent. Simple and fractional distillation was the method used during the lab to purify substances and purified substance was separated from solvent using filtration.

In this lab, you used rotary evaporation to remove the neutral organic solvent. Rotary evaporation is an example of a distillation except under conditions of a reduced pressure atmosphere.  What effect does a reduction in atmospheric pressure have on the observed boiling point?  Explain your answer.

Explain through a laboratory experiment: How is recrystallization of Acetone possible? Can it or how would it be carried out if yes?

3. A pure white crystalline compound was found to melt at 131.5-132.0°C when taken on a melting point apparatus, and on further heating, the liquid was found to start bubbling at ca. 155-160 °C. The capillary containing the melted compound was set aside to cool, and resolidify. When the sample was retried using that same capillary, the sample melted at 120.6-154.5°C, along with some bubbling. What is the cause of the bubbles? Why is the melting point so wide the second time? Explain by stating what you have learned in this laboratory about melting points.