Methods of Purification of Organic Compounds
Methods of Purification of Organic Compounds: Overview
This topic covers concepts, such as, Crystallisation, Principle of Crystallisation, Principle of Fractional Crystallisation & Applications of Fractional Crystallisation etc.
Important Questions on Methods of Purification of Organic Compounds
Draw a diagram of the apparatus used in steam distillation.
Describe the setup of distillation at reduced pressure.
Draw a diagram of simple distillations process.
Describe the set up of crystalization process.
Write any two differences between fractional crystallisation and crystallisation.
Fractional crystallisation is used to separate crude oil into useful substances.
Fractional crystallization is a process by which a chemical compound is separated into components by crystallization on the basis of their different solubilities.
Define fractional crystallization.
Write the principle of sublimation process.
Which of the following method is used to separate camphor from camphor sand mixture?
Sublimation is a purification method in which solid substances change from solid to vapour state without passing through the _____ state
Sublimation is a process in which liquid substances change from liquid to vapour state without passing through the solid state.
Explain the purification of potash alum by crystallization.
How does snow form?
List any two applications of crystallization.
Discuss the principle of distillation, vacuum distillation and steam distillation.
Which of the following is an industrial application of fractional distillation?
The principle behind fractional distillation technique in separation of two liquids is:
A mixture of o-nitrophenol and p-nitrophenol can be separated by
Which technique is used for purification of solid organic compounds? (Crystallisation/Distillation).
