Vitamin C Makes Iodine Disappear

Dark color fades/disappears. Ask students to predict what will happen. Add vitamin C solution dropwise. Key idea: Vitamin C reduces iodine to colorless iodide. Ask: Where did the color go if we didn't dilute it much? Safety and cleanup: Dilute solutions; goggles; no ingestion. https://www.google.com/search?q=%22Vitamin+C+Makes+Iodine+Disappear%22+science+demonstration+experiment