16:I[8216,["972","static/chunks/972-b28da0de92681928.js","47","static/chunks/47-a7f06e9eda1ac756.js","115","static/chunks/app/%5Bexam%5D/questions/%5Byear%5D/%5Bsubject%5D/%5Bchapter%5D/%5BquestionId%5D/page-7b6f0a12b9cc0206.js"],"BackButton"] 17:I[1553,["972","static/chunks/972-b28da0de92681928.js","47","static/chunks/47-a7f06e9eda1ac756.js","115","static/chunks/app/%5Bexam%5D/questions/%5Byear%5D/%5Bsubject%5D/%5Bchapter%5D/%5BquestionId%5D/page-7b6f0a12b9cc0206.js"],"QuestionViewer"] 15:T4f2,{"@context":"https://schema.org","@type":"Quiz","name":"Mht Cet Biology 2024 Liquid Solution PYQ with Solution","url":"https://pyq-test-series-platform-alsjdcxu2-sameers-projects-41c5a71e.vercel.app/mht-cet-biology/questions/2024/chemistry/liquid-solution/meiq9ixz","educationalLevel":"Entrance exam preparation","about":"Mht Cet Biology / Chemistry / Liquid Solution","hasPart":{"@type":"Question","name":"Mht Cet Biology 2024 Liquid Solution PYQ with Solution","text":"What is the expected value of \\Delta T_f for 0.2 m aqueous \\mathrm{CaCl}_2 solution if \\Delta \\mathrm{T}_{\\mathrm{f}} for 0.2 m sucrose solution is x \\mathrm{~K} ?","eduQuestionType":"mcq","acceptedAnswer":{"@type":"Answer","text":"C"},"comment":{"@type":"Comment","text":"For a solution, the depression in freezing point \\Delta T_f is given by: \\Delta T_f = i \\cdot K_f \\cdot m where: i = van't Hoff factor K_f = molal depression constant (same for the solvent) m = molality (same for both solutions in this case) For sucrose (a non-electrolyte, does not dissociate): \\mathrm{C_{12}H_{22}O_{11}} \\to no ions. So, i_{sucrose} = 1. For \\mathrm{CaCl_2} (an electrolyte, dissociates completely): \\mathrm{CaCl_2} \\to \\mathrm{Ca^{2+}} + 2\\mathrm{Cl^-} So, i_{CaCl_2} = 1 + 2 =..."}}}18:T477,

For a solution, the depression in freezing point $\Delta T_f$ is given by:

$$ \Delta T_f = i \cdot K_f \cdot m $$

where:

$i$ = van't Hoff factor
$K_f$ = molal depression constant (same for the solvent)
$

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