1.

Ethanol cannot be dried over anhydrous CaCl_(2) because

Answer»

`CaCl_(2)` DISSOLVES in it
it forms a solid alcoholate i.e. `CaCl_(2) 3C_(2)H_(2)OH`
it is not a good dehydrating agent
it reacts with `CaCl_(2)` to FORM `H_(2)` gas.

Solution :Ethanol forms a solid alcoholate, ie `CaCl_(2).3C_(2)H_(5)OH`


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