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Question

Ethyl alcohol forms CaCl2.XC2H5OH;MgCl2.YC2H5OH and CuSO4.ZC2H5OH when C2H5OH reacts with respective respective anhydrous salts. Then?

A
X=3,Y=3,Z=6
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B
X=2,Y=2,Z=3
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C
X=3,Y=7,Z=4
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D
X=4,Y=4,Z=4
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Solution

The correct option is B X=2,Y=2,Z=3
The reaction of ethyl alcohol with the following anhydrous salts give these products:
CaCl2 + 2C2H5OH CaCl2.2C2H5OH
MgCl2 + 2C2H5OH MgCl2.2C2H5OH
CuSO4 + 3C2H5OHCuSO4.3C2H5OH

Thus, X =2 , Y = 2 and Z = 3.
Option B is correct.

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