Q.
Which of the following aqueous solutions has osmotic pressure nearest to that of an equimolar solution of K4[Fe(CN)6]
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a
Na2SO4
b
BaCl2
c
Al2SO43
d
C12H22O11
answer is C.
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Detailed Solution
We know that the value of colligative property is directly proportional to number of particles of solute. Since K4[Fe(CN)6] and Al2(SO4)3 both form 5 ions on dissociation. Hence osmotic pressure of Al2(SO4)3 solution will be nearest to that of equimolar solution of K4[Fe(CN)6]
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