Question:medium

A \(0.15\) molal solution of \(\mathrm{K_4[Fe(CN)_6]}\) in water freezes at \(-0.65^\circ\mathrm{C}\). What is the apparent percentage of dissociation of this compound in this solution? (\(K_f\) for water \(= 1.86^\circ\mathrm{C\ mol}^{-1}\))

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Use \(i = 1 + (n-1)\alpha\) where \(n\) is the number of ions per formula unit.
Updated On: Apr 23, 2026
  • \(0.33\)
  • \(0.52\)
  • \(0.63\)
  • \(0.79\)
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The Correct Option is A

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