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Question:

Tincture of iodine is: alcoholic solution of I2, solution of I2 in aqueous KI, aqueous solution of I2, aqueous solution of KI

aqueous solution ofI2

alcoholic solution ofI2

aqueous solution ofKI

solution ofI2in aqueousKI

Solution:

Tincture of iodine is an solution of I2 in aqueous KI. It is an antiseptic, it is also called weak iodine solution. It is usually 2-7% iodine and 2-4% potassium iodide in water and ethanol.