2 CuI + 2 Fe2O3 + 6 H2SO4 → 2 CuSO4 + I2 + 4 FeSO4 + 6 H2O
This is an acid-base reaction (neutralization): Fe2O3 is a base, H2SO4 is an acid.
This is an oxidation-reduction (redox) reaction:
2 CuI - 2 e- → 2 CuII (oxidation)
2 I-I - 2 e- → 2 I0 (oxidation)
4 FeIII + 4 e- → 4 FeII (reduction)
CuI is a reducing agent, CuI is a reducing agent, Fe2O3 is an oxidizing agent.
Reactants:
- CuI – Copper(I) iodide
- Fe2O3 – Iron(III) oxide
- Other names: Ferric oxide , Hematite , Ferric iron
- Appearance: Red-brown solid ; Reddish brown-to-black crystals or powder ; Reddish-brown solid. [Note: Exposure to fume may occur during the arc-welding of iron.] ; A fine, red powder of ferric oxide. [Note: Usually used in cake form or impregnated in paper or cloth.]
- H2SO4 – Sulfuric acid
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