1.

Which of the following has been arranged in order of decreasing freezing point ?A. `0.05 M KNO_3gt0.04 M CaCl_2gt0.140 M "sugar" gt 0.075 M CuSO_4`B. `0.04 M BaCl_2gt0.140 M "sucrose"gt0.04 M BaCl_2 gt 0.05 M KNO_3`C. `0.075 M CuSO_4gt0.140 M "sucrose"gt0.04 M BaCl_2 gt 0.05 M KNO_3`D. `0.075 M CuSO_4gt0.05 M CuSO_4gt0.05 M NaNO_3 gt 0.140 M "sucrose" gt 0.04 M BaCl_2`

Answer» Correct Answer - A
Higher freezing point `implies` lesser `DeltaT_f`
`implies` lesser molality
`implies` lesser number of particles


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