0.1 M KI and 0.2 M AgNO3 are mixed in 3 : 1 volume ratio. The depression in freezing point of the resulting solution will be 0.1 x (Assume kf of H2O = 2Kg/mol).

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0.1 M KI and 0.2 M AgNO₃ are mixed in 3 : 1 volume ratio. The depression in freezing point of the resulting solution will be 0.1 x (Assume kf of H₂O = 2Kg/mol).

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answer is 3.

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Detailed Solution

KI + AgNO₃ → KNO₃ + AgI

Initial : 0.3 mole 0.2 mole - -
Final : 0.1 mole - 0.2 0.2
Total moles of solute ions =(0.1+0.2)×2(∵i=2)
[Solute] = 40.6M
ΔT_f=K_f40.6
=1.86×40.6=0.279=0.1 x 3

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