The following aqueous solution in the correct order of decreasing freezing points is:

Options

A. `0.2 M BaCl_2, 0.2 M KCl, 0.1 M Na_2SO_4`
B. `0.2 M KCl, 0.1 M Na_2SO_4, 0.2 M BaCl_2`
C. `0.1 M Na_2SO_4, 0.2 M KC1, 0.2 M BaCl_2`
D. `0.1 M Na_2SO_4, 0.2 M BaCl_2, 0.2 M KCl, `

Answer

C