A) Aluminium sulphate
B) Barium chloride
C) Sodium sulphate
D) A mixture of equal volumes of and
Correct Answer: A
Solution :
As the concentration and percentage dissociation is equal for each salt, hence the osmotic pressure will depend only on the number of ions produced. Hence osmotic pressure of\[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]will be the highest as it produce maximum ions (5). \[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\xrightarrow[{}]{{}}2A{{l}^{3+}}+3SO_{4}^{2-}\]
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