Anthracene can be purified by (a) Distillation (b) Sublimation (c) Filtration (d) Fractional dis

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Anthracene can be purified by (a) Distillation (b)...

Key Concepts

Filtration

Filtration is a mechanical separation process where a mixture is passed through a porous medium to remove insoluble impurities. It is mainly employed to separate solids from liquids rather than for purifying solids through phase change.

Purification Techniques

Purification techniques are methods used in chemistry to separate a desired compound from impurities. These include physical methods that rely on differences in physical properties, such as phase transitions, boiling points, or particle sizes.

Distillation

Distillation is a separation technique that involves heating a liquid to vaporize its components based on differences in boiling points and then condensing the vapor. The method is effective for liquid mixtures but may not be suitable for purifying solid compounds.

Sublimation

Sublimation is a purification method where a solid transitions directly into a gas without passing through a liquid phase. This technique is particularly useful for compounds that sublime easily, allowing them to be separated from non-sublimable impurities, as in the case of purifying certain organic compounds.

Fractional Distillation

Fractional distillation is an improvement over simple distillation used for separating mixtures that have components with relatively close boiling points. It involves the use of a fractionating column to improve separation efficiency, primarily applied to liquid mixtures.

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