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When sugar and iodine are mixed together, the result is a physical mixture. The sugar does not chemically react with the iodine to form a new substance. The mixture will show separate particles of sugar and iodine.
Yes, sugar does not turn blue when mixed with iodine. Iodine reacts with starch, turning it into a blue-black color. Sugar does not contain starch, so it will not have a reaction with iodine in this way.
When sugar and iodine are mixed together, the iodine will not react with the sugar. The iodine may simply dissolve into the sugar, giving it a purplish color. This reaction is purely physical and does not involve a chemical change.
When iodine is mixed with dichloromethane, the resulting color is purple or violet.
Well, isn't that just a happy little accident! When you add iodine to sugar, it turns a dark purple or black color. It's like a beautiful, unexpected transformation right before your eyes. Just remember, every color has its place in the palette of life.
I think it depends on the mixtures. When I mixed a store bought solution of iodine (2.5% iodine and 2.5% potassium iodide) in water it was brown. But when I added heavy mineral oil and mixed them, the mineral oil layer was a brilliant pink/purple colour. Really impressive. NR Pure iodine is violet. It can act as an electron acceptor (an acid). When iodine is in a solvent that doesn't donate electrons it stays violet. When it is in water or ethanol the iodine accepts electrons from the oxygen atom which then affects the wavelength of visible light that it absorbs, this means that the colour changes.