Which of the solutions are exoected to be isoyonic, temp being samea 0.1 M

Question

Which of the solutions are expected ctd to be isotonic, temp being same a) 0.1 M glucose and 0.1M anilinium ion b) 0.1M NaCl and 0.05 BaCl2 c) 0.1M Na2So4 and Kno3 d) 0.1M BaCl2 and 0.075M FeCl3