Which of the following techniques is most suitable for purification of cyclohexanone from a mixture containing benzoic acid, isoamyl alcohol, cyclohexane and cyclohexanone?

Crystallisation

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IR Spectroscpy

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Sublimation

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Gas Chromatography

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Solution

The correct option is D
Gas Chromatography

Cyclohexanone being a liquid cannot be purified either by sublimation or crystallization. IR is a technique to identify a compound. Hence gas Chromatography is used.

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Similar questions

The best and latest technique for isolation, purification and separation of organic compounds is:

(a) Crystallisation (b) Distillation (c) Sublimation (d) Chromatography

Give a brief description of the principles of the following techniques taking an example in each case.

Crystallisation

Distillation

Chromatography

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