A) \[0.1\,\,M\,\,{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]
B) \[0.1\,\,M\,\,N{{H}_{4}}Cl\]
C) \[0.1\,\,M\,\,BaS{{O}_{4}}\]
D) \[0.1\,\,M\,\,A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]
Correct Answer: D
Solution :
We know that lowering of freezing point is a colligative property which is directly proportional to the number of particles formed by one mole of a compound. Therefore \[0.1\,\,MA{{l}_{2}}{{(S{{O}_{4}})}_{3}}\] solution will have minimum freezing point.
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