根据下列三个反应的化学方程式：I2 + SO2 + 2H2O ==H2SO4 + 2HI；2FeCl2 + Cl

根据下列三个反应的化学方程式：I₂+ SO₂ + 2H₂O ==H₂SO₄ + 2HI；2FeCl₂ + Cl₂ == 2FeCl₃；2FeCl₃ + 2HI === 2FeCl₂ + 2HCl + I₂ ,有关物质的还原性依次减弱的顺序是（）

A、I^－、Fe²⁺、Cl^－、SO₂ B、Cl^－、Fe²⁺、SO₂、I^－

C、Fe²⁺、I^－、Cl^－、SO₂ D、SO₂、I^－、Fe²⁺、Cl^－

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根据下列三个反应的化学方程式：I2 + SO2 + 2H2O ==H2SO4 + 2HI；2FeCl2 + Cl

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