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Tincture of iodine is:
A. Aqueous solution of I2
B. Solution of I2 in aqueous KI
C. Alcohol solution of I2
D. Aqueous solution of KI

Answer
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Hint: In the tincture of iodine, the solvent is alcohol and water while solute is iodine. Iodine tincture is also known as a weak iodine solution or iodine tincture.

Complete step by step answer:
We know that tincture of iodine, tincture of iodine, or weak iodine solution is an antiseptic. It is usually 27% elemental iodine with potassium iodide or sodium iodide, which dissolves in a mixture of ethanol and water.
-Tincture solutions are characterized by the presence of alcohol. It was used in pre-operative skin preparation by surgeon Antonio Grossich from 1908.
-Small amounts of suspected water sources can usually be introduced as 5mg of free iodine per liter of disinfectant or 5 drops of 2 percent tincture. While this process works against viruses and bacteria.
-Iodine tinctures are being used to kill viruses and bacteria and to clean the surfaces of vegetables and fruits. The developing sanitizing concentration is 25ppm ideal for 1 minute.
-Tincture of iodine is also available in medical emergency kits, which are used for disinfection of cuts and intake of surface water.
Hence, the correct option is A.

Note: In the tincture of iodine, the solvent is alcohol and water while solute is iodine. Iodine tincture is also known as a weak iodine solution or iodine tincture. Iodine tincture is an antiseptic that is used to disinfect wounds. The composition of iodine tincture is 2to7% of iodine and the rest is sodium or potassium iodide.
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