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Câu 21:

Phản ứng nào sau đây chứng tỏ $F{e^{2 + }}$

Câu 21: Phản ứng nào sau đây chứng tỏ Fe2+F{e^{2 + }}Fe2+ có tính khử yếu hơn so với Cu

Thông tin câu hỏi

Câu 21:

Phản ứng nào sau đây chứng tỏ $F{e^{2 + }}$ có tính khử yếu hơn so với Cu