A) \[0\centerdot 5M\] \[{{H}_{2}}S{{O}_{4}}\]
B) \[0\centerdot 5MHCl\]
C) \[0\centerdot 5M\] \[A{{l}_{2}}{{\left( S{{O}_{4}} \right)}_{3}}\]
D) \[0\centerdot 5M\] acetic acid.
Correct Answer: C
Solution :
\[0\centerdot 5M\] \[A{{l}_{2}}{{\left( S{{O}_{4}} \right)}_{3}}\] has greater value of van't Hoff factor, so, this solution has greater \[\Delta {{T}_{f}}\] value and hence has the lowest freezing point.
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