Total number of species that can be oxidzed by acidic permanganate ion `(MnO_(4)^(-)//H^(+))`.
`I^(-),Fe^(2+),CO_(2),C_(2)O_(4)^(2-),S^(2-),SO_(3)^(2-),NO_(2)^(2-),PO_(4)^(3-),SO_(4)^(2-)`

Explanation

To determine the total number of species that can be oxidized by acidic permanganate ion (MnO₄⁻), we need to analyze each species provided in the question and check if they can undergo oxidation. Oxidation involves an increase in the oxidation state of the species, meaning that the species must not be in its highest oxidation state.

### Step-by-Step Solution:

1. **Identify the oxidation state of Mn in MnO₄⁻**:
- The oxidation state of manganese (Mn) in MnO₄⁻ is +7, which is its highest oxidation state.

2. **List the given species**:
- I⁻, Fe²⁺, CO₂, C₂O₄²⁻, S²⁻, SO₃²⁻, NO₂²⁻, PO₄³⁻, SO₄²⁻

3. **Analyze each species**:
- **I⁻ (Iodide)**: Oxidation states of iodine can be -1, +1, +3, +5, +7. Since it is at -1 (lowest), it can be oxidized.
- **Fe²⁺ (Iron)**: Oxidation states of iron can be -2, +2, +3, +4, +6. Since it is at +2 (lowest), it can be oxidized.
- **CO₂ (Carbon Dioxide)**: Carbon in CO₂ is at +4, which is its highest oxidation state. It cannot be oxidized.
- **C₂O₄²⁻ (Oxalate)**: Carbon in C₂O₄²⁻ is at +2, which is not the highest. It can be oxidized.
- **S²⁻ (Sulfide)**: Sulfur can have oxidation states of -2, 0, +2, +4, +6. Since it is at -2 (lowest), it can be oxidized.
- **SO₃²⁻ (Sulfite)**: Sulfur in SO₃²⁻ is at +4, which is not the highest. It can be oxidized.
- **NO₂²⁻ (Nitrite)**: Nitrogen in NO₂²⁻ is at +2, which is not the highest. It can be oxidized.
- **PO₄³⁻ (Phosphate)**: Phosphorus in PO₄³⁻ is at +5, which is its highest. It cannot be oxidized.
- **SO₄²⁻ (Sulfate)**: Sulfur in SO₄²⁻ is at +6, which is its highest. It cannot be oxidized.

4. **Count the species that can be oxidized**:
- The species that can be oxidized are: I⁻, Fe²⁺, C₂O₄²⁻, S²⁻, SO₃²⁻, NO₂²⁻.
- Total = 6 species.

### Final Answer:
The total number of species that can be oxidized by acidic permanganate ion (MnO₄⁻) is **6**.

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