下列变化需加入还原剂的是_刷题宝

题干

下列变化需加入还原剂的是

A：HCO₃^－→CO₂

B：MnO₄^－→Mn²⁺

C：SO₃²^－→SO₄²^－

D：H₃AlO₃→AlO₂^－

上一题下一题 0.0难度选择题更新时间:2018-12-04 07:13:56

答案(点此获取答案解析）

B

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