Give a brief description of the principles of the following process taking an example. Distillation under reduced pressure.
A flask contains a mixture of isohexane and 3-methylphentane. One of the liquids boils at $$63\ ^oC$$ while the other boils at $$60\ ^o \text{C}$$. What is the best way to separate the two liquids and which one will be distilled out first?
The distillation technique most suited for separating glycerol from spent-lye in the soap industry is :
Give a brief description of the principles of distillation.
Glycerin can be purified by:
Distillation under reduced pressure is generally used to purify those liquid which:
Glycerol decomposes at its boiling point $$(563\,K)$$. Discuss a method which can used for its purification.
Glycerol, which decomposes at its boiling point can be purified by :
Distillation under reduced pressure is employed for :
Fill in the blanks : Liquids which decompose at or below their boiling points are purified by .............
Glycerol boils at $$ 290^o C $$ with slight decomposition. Impure glycerine can be purified by