Q.
Of the following 0.10 m aqueous solutions, which one will exhibit the largest freezing point depression?
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a
KCl
b
C6H12O6
c
Al2SO43
d
K2SO4
answer is C.
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Detailed Solution
ΔTf=i×Kf×m So, ΔTf∝i (van't Hoff factor) Hence, i is maximum i.e., 5 for Al2SO43 .
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