consider the following aqueous solutions and assume 100% ionization of ions
i)0.1 m urea
ii)0.04m Al2(SO4)3   
iii)0.05 m CaCl2
(iv)0.005 NaCl
​The correct statement regarding the above solutions is:
a)freezing point will be the lowest in solution (i)
b) freezing point will be the highest in solution (iv)
c) vapour pressure will be the highest in solution (ii)
d)osmotic pressure will be the highest in solution (iii)                                    ANS IS (b) pls explain how

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consider 100% dissociation of ionic solute in solvent. youll find that effective concentration of Al2(SO4)3 is greatest
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