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

(a) Crystallisation 

(b) Distillation 

(c) Sublimation 

(d) Chromatography 

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2 Answers

Chromatography is the most useful and the latest technique of separation and purification of organic compounds. It was first used to separate a mixture of coloured substances. 

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Chromatography. Thus, option (d) is correct.

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