Question

Tincture of iodine has antiseptic properties. This solution is made by dissolving:Iodine in potassium iodideIodine in vaselineIodine in waterIodine in alcohol

Solution

The correct option is D Iodine in alcoholA solution of iodine in alcohol is known as 'Tincture of iodine'. This solution has iodine(solid) as the solute and alcohol (liquid) as the solvent.Tincture of iodine or iodine tincture is an antiseptic, it is also called weak iodine solution. It is usually prepared using 2 - 7% elemental iodine, along with potassium iodide or sodium iodide, dissolved in a mixture of ethanol and water.

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