Q.2.
What is the purpose of recrystallizing solid compounds?
While recrystallizing a compound, you heated the compound in water until it dissolved completely.
You filtered the clear solution through cotton into a beaker. You were supposed to keep this beaker
undisturbed to allow crystals to form. However, you mistakenly placed it in an ice bath. To your
surprise, you got a good yield of product almost immediately! But the crystal quality was poor. Why
do you think this happened?
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Answer:
What are the 7 steps of recrystallization?
choose solvent and solvent pairs.
dissolve the solute.
decolorizing the solution with pelletized Norit.
filtering the suspended solds.
recrystallizing the solute.
collecting and washing the crystals.
drying the crystals.
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