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题目内容
（2024年国家开放大学答案）
下列化学反应中，Fe<sup>2+</sup> 作氧化剂的是(单选题)
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.<img alt="" height="22" src="/api/uploads/1548514/in-rich-contentcreated_at=1647293133" width="160">
.<img alt="" height="22" src="/api/uploads/1548515/in-rich-contentcreated_at=1647293133" width="138">
.<img alt="" height="25" src="/api/uploads/1548516/in-rich-contentcreated_at=1647293133" width="258">
.<img alt="" height="25" src="/api/uploads/1548513/in-rich-contentcreated_at=1647293133" width="185">
.<img alt="" height="22" src="/api/uploads/1548514/in-rich-contentcreated_at=1647293133" width="160">
.<img alt="" height="22" src="/api/uploads/1548515/in-rich-contentcreated_at=1647293133" width="138">
.<img alt="" height="25" src="/api/uploads/1548516/in-rich-contentcreated_at=1647293133" width="258">
参考答案
