Рет қаралды 319,475
The chemical traffic light experiment consists of a series of chemical redox reactions whe the oxidation state of indigo carmine (indigotine) is changed with a addition of alkaline glucose (glucose + NaOH). Glucose reduces indigo carmine and it turns yellow. Shaking the mixture it turns red and after that green because the oxigen from the air that gets inside the liquid so its oxidant effect prevails over the reducing effect of glucose (dextrose).
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