Question
What are super selective liquid phases? Illustrate with the help of examples
Answer :
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Certain liquid phases may be said to be super selective. Some of these liquids depend on the formation of loose chemical adducts with particular solutes to effect separation. Silver ions form loose adducts with olefins of the type shown as
Saturated solutions of silver nitrate in ethylene glycol, glycerol and triethylene glycol or in benzyl cyanide have been used as selective solvent for olefins. Benzyl cyanide has an advantage over the glycols because it is non-hygroscopic
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