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Why can not anhydrous calcium chloride b...

Why can not anhydrous calcium chloride be used for drying ethyl alcohol ?

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Anhydrous calcium chloride cannot be used for drying ethyl alcohol because it forms an addition compound with the alcohol.
`4C_(2)H_(5)OH+CaCl_(2)("anhydrous") rarr CaCl_(2).4C_(2)H_(5)OH`
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