Which one of the following salts would have the same value of the Vant Hoff factor (i) as that of K3[Fe(CN)6].
Correct answer: D. Al(NO3)3
- A. NaCl
- B. Na2SO4
- C. Al2(SO4)3
- D. Al(NO3)3
Explanation
K3[Fe(CN)6]dissociates into 3K+ ions and one [Fe(CN)6]3- ion. So its Van't Hoff factor is 4. Al(NO3)3 dissocaites into one Al3+ and three NO3- ions
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