You are attempting a recrystallization of the world’s only sample of charliebionic acid with a small...

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Chemistry

You are attempting a recrystallization of the world’s onlysample of charliebionic acid with a small amount of an unknownimpurity.   The acid is not soluble at all in water. Theacid is very soluble in hot ethanol but only slightly soluble atroom temperature. But as the solution cooled to room temperature,no precipitate formed. However, when the solution was cooled in anice bath solid immediately formed. This solid was dried and themelting point measured. The melting point showed that theimpurities remained.

What is the most likely reason that no crystals formed at roomtemperature?

Why is the charliebionic acid still impure afterrecrystallization?

Propose a last minute addition to this procedure that mightcorrect this situation and form pure crystals at room temperaturefrom this sample.

Answer & Explanation Solved by verified expert
4.3 Ratings (867 Votes)
What is the most likely reason that no crystals formed at room temperature 1 We have to take in account of the colligative property that is the depression of freezing point When a nonvolatile substance is added to a pure molecule it decreases the freezing    See Answer
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