explain the sublimation process for the purification of organic compound
Answers
Sublimation is a purification technique for solids and in the context of this book, for organic compounds with lower melting points. Sublimation describes the process of a solid becoming a gas, without passing through the liquid state. The gas phase is then typically crystallized on a cold surface. However, many sublimations require reduced pressure, and we will primarily focus on that variation of sublimations. The reason for many sublimations happening under reduced pressure, is because the sublimation point is decreased with decreasing pressure. To allow organic compounds to sublimate, and not simply melt, a reduced pressure is often necessary.
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Answer:
The change of state of a substance from solid state to gaseous state without changing into liquid state is known as sublimation.
Explanation:
The process of sublimation can be used for purification of organic compounds like camphor, naphthalene, benzoic acid, salicylic acid and diode in which containing non volatile impurities.
In this process of sublimation, a solid is heated directly Above the gas face all non-volatile impurities are left behind it. The vaporized compound is then collected as gas and as a solid on the cool surface. The sublimation process is helpful and separating the sublimable compound from the non-sublimable compound.
Therefore, we can easily separate organic compound by the process of sublimation.
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