Which of the following solutions has minimum freezing point?
0.01M NaCI
0.005 M C2H5OH
0.005 M MgI2
0.005 M MgSO4
Minimum freezing point means more number of ions
(l) 0.01 x 2=0.02
(2) 0.005 x 1=0.005
(3) 0.005 x 3=0.015
(4) 0.005 x 2= 0.01