Q.

Ethanol can’t be dried by anhydrous CaCl2 due to the formation of the following solvated product formed by the reaction ?

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a

2CaCl2.3C2H5OH

b

CaCl2·C2H5OH

c

CaCl2·2C2H5OH

d

CaCl2·4C2H5OH

answer is D.

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Detailed Solution

Ethanol reacts with CaCl2 and forms CaCl2·4C2H5OH. Hence CaCl2 shouldn’t be used for drying of Ethanol. Actual interest is to remove water, but use of this cause the removal of alcohol.
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Ethanol can’t be dried by anhydrous CaCl2 due to the formation of the following solvated product formed by the reaction ?