Question

4. What are the purposes of the following in recrystallization of solids?

I) boiling stones –

II) activated carbon -

III) seed crystals –

5. 0.12 g of compound “Y” dissolves in 10 ml of acetone at 25 ^oC and 0.85 g of the same compound dissolves in 10 ml of boiling acetone. If 5.0 g of compound “Y” were to be recrystallized from 75 ml acetone, what will be the next maximum amount of “Y” that will be recrystallized?

Answer 1