JEE Mains · Chemistry · STD 12 -1. Solution and colligative properties
Which one of the following \(0.06\, \mathrm{M}\) aqueous solutions has lowest freezing point?
- A \(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\).
- B \(\mathrm{K}_{2} \mathrm{SO}_{4}\)
- C \(KI\)
- D \(\mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}\)
Answer & Solution
Correct Answer
(D) \(\mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}\)
Step-by-step Solution
Detailed explanation
\(\Delta \mathrm{T}_{\mathrm{f}}=\mathrm{i} \mathrm{k}_{\mathrm{f}} \times \mathrm{m}\) \(\Delta \mathrm{T}_{\mathrm{f}} \alpha\) \(i\) but \(F.P\) \(\alpha 1 / \mathrm{i}\)
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