Which of the following aqueous solution has minimum freezing point ?
(a) 0.01 m NaCl
(b) 0.005 m C₂H₅OH
(c) 0.005 m MgI₂
(d) 0.005 m MgSO₄.
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van't Hoff factor, i = 2 for NaCl, so conc. = 0.02, which is maximum in the present case.
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Answer:
Which of the following aqueous solution has minimum freezing point ?
(a) 0.01 m NaCl
(b) 0.005 m C₂H₅OH
(c) 0.005 m MgI₂
(d) 0.005 m MgSO₄.
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