Problems and exercisesHow to Separate and Purify an Organic Compound
1. A suspicious melting point
A pure compound melts at 122 °C. A sample you have just synthesized melts between 115 °C and 119 °C. What does this tell you and what would you do?
2. Non-toxic impurities
If an impurity is not toxic, why must it be removed from an active ingredient?