What is tincture of iodine ? What is its use ?

Options

A. 2-3% solution of iodine in alcohol-water mixture .
B. A mixture of iodine in chloroxylenol.
C. A mixture of 0.2% phenol and 2-3% iodine in water .
D. 2-3% solution of iodine in potassium iodide .

Explanation

**Step-by-Step Solution:**

1. **Definition of Tincture of Iodine**: Tincture of iodine is a solution that typically contains 2-3% iodine dissolved in a mixture of alcohol and water. This combination allows for the iodine to be effectively dissolved and utilized.

2. **Composition**: The primary components of tincture of iodine are:
- Iodine (2-3%)
- Alcohol (usually ethanol)
- Water (to make the solution more effective and safe for application)

3. **Uses of Tincture of Iodine**: The main use of tincture of iodine is as an antiseptic. It is applied to the skin to prevent infection in minor cuts, scrapes, and burns. It works by inhibiting the growth of bacteria, fungi, and viruses, making it a common choice for disinfecting wounds.

4. **Comparison with Other Antiseptics**: Tincture of iodine is similar in function to other antiseptics like Dettol and Savlon, which are also used to inhibit microbial growth.

5. **Conclusion**: Therefore, tincture of iodine is an effective antiseptic solution used in medical settings and home first aid kits.

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