Let the solubiliteis of AgCl in H2O, 0.01 M CaCl2; 0.01 M NaCl and 0.05M AgNO3 be S1, S2, S3, S4 respectively. What is the correct relationship between these quantities.
(a) S1 > S2 > S3 >S4
(b) S1 > S2 = S3 >S4
(c) S1 > S3 > S2 >S4
(d) S4 > S2 > S3 >S1