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NEET · Chemistry · STD 12 -1. Solution and colligative properties
Which one of the following electrolytes has the same value of van't Hoff factor \((i)\) as that of \(Al_2(SO_4)_3\) (if all are \(100\%\) ionised)?
- A \(Al(NO_3)_3\)
- B \(K_4[Fe(CN)_6]\)
- C \(K_2SO_4\)
- D \(K_3[Fe(CN)_6]\)
Answer & Solution
Correct Answer
(B) \(K_4[Fe(CN)_6]\)
Step-by-step Solution
Detailed explanation
\(\mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3} \rightarrow 2 \mathrm{Al}^{3+}+3 \mathrm{SO}_{4}^{2-}, i=5\) \(\mathrm{Al}\left(\mathrm{NO}_{3}\right)_{3} \rightarrow \mathrm{Al}^{3+}+3 \mathrm{NO}_{3}^-, i=4\)
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