Which of the following statements regarding purification methods are correct? — Practical Organic Chemistry and Purification Chemistry Question

💡 Solution & Explanation

Simple distillation is used when boiling point differences are large ($>20\ K$), e.g., chloroform and aniline. Fractional distillation uses a fractionating column for small B.P. differences. Vacuum distillation is for compounds that decompose at their normal B.P. Steam distillation requires the substance to be immiscible with water.