According to recent views which is the correct representation of hydrated proton in aqueous solution ?

Options

A. `H^+`
B. `H_9O_5^+`
C. `H_9O_4^+`
D. `H_3O^+`

Answer

To solve the question regarding the correct representation of a hydrated proton in an aqueous solution, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Concept of a Proton:**
- A proton is represented as H⁺, which is essentially a hydrogen ion. This means that a hydrogen atom (which has one proton and one electron) loses its electron, leaving behind just the proton.

**Hint:** Remember that H⁺ is simply a hydrogen atom that has lost its electron.

2. **Defining Hydration:**
- Hydration refers to the process where water molecules surround and interact with a solute particle. In this case, we are looking at how water interacts with the proton (H⁺).

**Hint:** Hydration involves the association of water molecules with ions or molecules in a solution.

3. **Identifying the Hydrated Proton:**
- When a proton (H⁺) is hydrated, it forms a hydronium ion (H₃O⁺). This occurs because the proton associates with a water molecule, resulting in the formation of H₃O⁺.

**Hint:** The formation of H₃O⁺ is a key concept in acid-base chemistry, representing the hydrated form of a proton.

4. **Analyzing the Options Given:**
- **Option 1: H⁺** - This is just a proton without hydration.
- **Option 2: H₃O⁺** - This is the correct representation of a hydrated proton.
- **Option 3: H₉O₅⁺** - This represents a more complex structure that does not accurately depict simple hydration of a proton.
- **Option 4: H₃O⁺** - This is the same as Option 2 and is correct.

**Hint:** Look for the simplest and most accurate representation of the hydrated proton.

5. **Conclusion:**
- The correct representation of the hydrated proton in an aqueous solution is H₃O⁺ (hydronium ion).

### Final Answer:
The correct representation of the hydrated proton in aqueous solution is **H₃O⁺**.