which of the following has maximum depression in freezing pont
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1 molar of urea solution has maximum freezing point.
The depression in the freezing point is a colligative property and depends on the number of solute particles present in the solution. All the given solutions have same molarity. However, urea is non electrolyte (do not dissociate in aqueous solution) whereas NaClNaCl, KClKCl and CaCl_2CaCl2 are electrolytes (dissociate in aqueous solution). Hence, 1 molar of urea solution gives least number of solute particles in a given amount of solvent. 1 molar of urea solution has lowest depression in the freezing point and maximum freezing point.
Note:
\Delta T_f = iK_fmΔTf=iKfm
\Delta T_f \propto iΔTf ∝i
The depression in the freezing point is a colligative property and depends on the number of solute particles present in the solution. All the given solutions have same molarity. However, urea is non electrolyte (do not dissociate in aqueous solution) whereas NaClNaCl, KClKCl and CaCl_2CaCl2 are electrolytes (dissociate in aqueous solution). Hence, 1 molar of urea solution gives least number of solute particles in a given amount of solvent. 1 molar of urea solution has lowest depression in the freezing point and maximum freezing point.
Note:
\Delta T_f = iK_fmΔTf=iKfm
\Delta T_f \propto iΔTf ∝i
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