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van't Hoff factor of a 0.5% (w/w) aqueou...

van't Hoff factor of a 0.5% (w/w) aqueous solution of KCl which freezes at `-0.24^@C` is (`K_f` of water = 1.86K `"kgmol"^(-1)` , mol.wt.of KCl =74.5)

A

1.52

B

2.32

C

1.92

D

1.32

Text Solution

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The correct Answer is:
C
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0.5% aqueous KCl has freezing point -0.24^@C . Calcualte the degree of dissociation, If K_f for water is 1.86 K kg mol^(-1) .

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AAKASH SERIES-SOLUTIONS -Objective Exercise -2
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