| Consider what can be concluded from this test about the unknown | |||||
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Identification using redox reactions: Potassium triiodide. |
| Consider what can be concluded from this test about the unknown | |||||
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| Potassium triiodide in aqueous solution is yellow brown (cf. the colour of iodine in water). Reduction of iodine gives colourless iodide. Sulfite/sulfur dioxide reduce iodine to iodide giving sulfate. | ||||
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