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

1. (a) Crystallization
2. (b) Sublimation
3. (c) IR spectroscopy
4. (d) Gas chromatography

Correct answer: (d) Gas chromatography

Solution

Gas chromatography is the most suitable technique for separating and purifying volatile organic compounds like cyclohexane from a mixture, as it efficiently separates components based on their boiling points and volatility.

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