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Solvent and Dielectric Constants

Naphtalene is soluble in diethyl ether, but it is insoluble in water regardless of the solution pH. Explain why this compound cannot be readily ionized in aqueous solution.

There are three common functional group in organic chemistry that are readily ionized by adjusting the pH of the aqueous solution during an extraction. Name and write the chemical structure of these three functional groups and show each of them in both their neutral and ionized forms.

Is diethyl ether or acetone the better solvent for the extraction of trimyristin from nutmeg? Why? Hint: Most fats (triacylglycerols or triglycerides) have dielectric constants between 3.5 and 5.0, so compare the average of this range to the dielectric constants of diethyl ether and acetone.

How was acetone used in the nutmeg extraction?

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Solution Preview

Naphthalene is completely non-polar with no polar functional groups and has only C, H atoms. Hence it is soluble in organic solvents which have alkyl chains like diethyl ether but not in water which is very polar. Because like dissolves ...

Solution Summary

The reasons for choosing a solvent to dissolve nutmeg are given.