commandationoption5. To recover the crystals, the last step performed in the recrystallization process is vacuumfiltration. Why is the filtrate used to recover most of the crystals in the reaction flask? Whyare the crystals washed with ice cold recrystallization solvent to further purify the crystalson the filter paper?

Answered: 5. To recover the crystals, the last…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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command
ation
option
5. To recover the crystals, the last step performed in the recrystallization process is vacuum
filtration. Why is the filtrate used to recover most of the crystals in the reaction flask? Why
are the crystals washed with ice cold recrystallization solvent to further purify the crystals
on the filter paper?

Expert Solution

Step 1

Vacuum filtration is performed in the last step of recrystallization due recover the most of the compound. Since in this a narrow pore filter paper is used to filter the compound. Due to narrow pore most of the compound recovered. Pore size is mainly responsible for the retention of compound. Minimum the pore size maximum will be retention power, hence a vacuum pressure is required.

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