Certain halide ions are substituted in aqueous potassium halides by halogens. In which of these mixtures are halide ions displaced? 1 potassium bromide and chlorine 2 potassium bromide and iodine 3 potassium iodide and chlorine 4 potassium chloride and iodine
- A1 and 3
- B1 and 4
- C2 and 3
- D2 and 4