The freezing point (in °C) of a solution containing 0.1 g of K3[Fe(CN)6] (molar mass…

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Problem

The freezing point (in °C) of a solution containing 0.1 g of K₃[Fe(CN)₆] (molar mass 329 g mol^-1) in 100 g of water (

K_f = 1.86 \text{ K kg mol}^{-1}

) is : (IIT 2011) (1)

-2.3 \times 10^{-2}

(2)

-5.7 \times 10^{-2}

(3)

-5.7 \times 10^{-3}

(4)

-1.2 \times 10^{-2}