In 'tincture of iodine', a solute is ______ and a solvent is _____

Options

A. alcohol, iodine
B. iodine, tin
C. iodine, alcohol
D. tin, iodine

Explanation

To solve the question regarding the components of 'tincture of iodine', we need to identify the solute and the solvent in this solution. Here’s a step-by-step breakdown:

### Step 1: Understand the Definition of Solute and Solvent
- **Solute**: The substance that is dissolved in a solution, usually present in a lesser amount.
- **Solvent**: The substance that dissolves the solute, usually present in a greater amount.

### Step 2: Identify the Components of Tincture of Iodine
- Tincture of iodine is a solution that contains iodine and alcohol. It is commonly used as an antiseptic.

### Step 3: Determine the Solute
- In tincture of iodine, the substance present in lesser amount is iodine. Therefore, iodine is the **solute**.

### Step 4: Determine the Solvent
- The substance present in greater amount in tincture of iodine is alcohol, specifically ethyl alcohol. Therefore, alcohol is the **solvent**.

### Final Answer
- In 'tincture of iodine', a solute is **iodine** and a solvent is **ethyl alcohol**.

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