Question:
• Which solvent is the best to recrystallize an unknown
compound?
A: solubility in cold water is 2g, in boiled water is 10g;
B: Solubility in cold toluene is 30g , in boiled toluene is 100g.
C: Solubility in cold acetone is 0.1g, in boiled acetone is 1g.
D: Solubility in cold ethanol is 0.1g, in boiled ethanol is 0.5g.