Solutions Question 78

Question: Which will show maximum depression in freezing point when concentration is 0.1M [IIT 1989; MNR 1990; UPSEAT 2000; 03; BCECE 2005]

Options:

A) NaCl

B) Urea

C) Glucose

D) $ K_2SO_4 $

Show Answer

Answer:

Correct Answer: D

Solution:

$ NaCl\to N{a^{+}}+C{l^{-}}=2 $ ions $ K_2SO_4\to 2{K^{+}}+SO_4^{2-}=3 $ ions $ K_2SO_4 $ give maximum ion in solution so it shows maximum depression in freezing point.



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