Question

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----------> DETAILED ANS PLEASE WITH BREIF EXP❗❗


----------> THE FECTORS ON WHICH THE FREEZING POINTS DEPENDS❗❗❤❤​

Answer 1

1) Depression of freezing point is a colligative property.

2) Colligative property is propotional to number of moles or solute concentration in a solution.

3) solute concentration/number of moles of solute depends on association and dissociation i.e Vant Hoff's factor(i)

Depression of freezing point α i× concentration.

☆ Sucrose has 0.2 M solute concentration.

☆ KCl is ionic and dissociates to $K^{+}$ and $Cl^{-}$. So, i=2

solute concentration is 2×0.2M = 0.4 M.

☆Glucose has 0.1 M solute concentration.

☆$CaBr_{2}$ dissociates to $Ca^{+}$ and $2Br^{-}$. So, i=3 solute concentration is 3×0.2 M = 0.6 M

$CaBr_{2}$ has highest solute concentration. Its freezing point depresses most. Which means it has highest negative or maximum freezing point.

Answer 2

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