MHT CET 2023 Chemistry question
If 0.01 m aqueous solution of an electrolyte freezes at -0.056 K. Calculate Van't Hoff factor for an electrolyte (cryoscopic constant of water = 1.86 K )
Answer: (C)
Solution
Depression in freezing point . Taking the depression as K (the solution freezes 0.056 K below the freezing point of water), \dfrac{Δ T_f}{K_f m}\dfrac{0.056}{1.86×0.01}$ =
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