in the lab, we used two solvents, one for the extraction and one for the recrystallization. what solvent did we use for the extraction, and which for the recrystallization? what solvent is trimyristin more soluble in, and why?



Answer :

A non-volatile solvent should be used that is present without impurities.

How should a solvent be selected for recrystallization?

The solvent should be non-volatile, non-flammable, and non-carcinogenic. 50 to 120°C should be the boiling point of the solvent. Impurities ought to be soluble in the cold solvent or insoluble in the hot solvent, respectively. The substance and solvent must not interact in any way.

Which solvent is more soluble for trimyristin, and why?

Ether has a higher solubility for trimyristin than acetone. After the solvent was removed, diethyl ether produced an oil that was difficult to crystallize.

Longer fatty acid chains result in more London dispersion forces, which raise the melting point.

What types of solvents are commonly used to dissolve crystals?

Several of the major laboratory solvents, including water, alcohol is commonly used.

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