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ChemistryLiquid SolutionColligative PropertiesMedium2 minQB

ChemistryMediumsingle choice

$PtCl_{4} \cdot 6 H_{2} O$ can exist as a hydrated complex. Its 1 molal aq. solution has depression in freezing point of 3.72. Assume $100%$ ionisation and $K_{f} (H_{2} O) = 1.8 6^{\circ} C mol^{- 1} kg$ , then complex is :-

Options:

Answer:

Solution:

$Δ T_{f} = i . k_{f} . m$

$3.72 = i \times 1.86 \times 1$

$i = 2 ∵ 1 + α (n - 1) = 2$

$\displaylines 1 + n - 1 = 2 n = 2$

Stream:JEESubject:ChemistryTopic:Liquid SolutionSubtopic:Colligative Properties

⏱ 2mℹ️ Source: QB

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