下列反应中,浓硫酸既表现强氧化性,又表现酸性的是()A 2NaCl(固)+H2SO4=(加热)Na2SO4+2HClB C+2H2SO4(浓)=(加热) CO2↑+2SO2↑+2H2OC Cu+2H2SO4(浓)=(加热)CuSO4+SO2↑+2H2OD 2FeO+4H2SO4(浓)=Fe2(SO4)3+SO2↑+4H
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![下列反应中,浓硫酸既表现强氧化性,又表现酸性的是()A 2NaCl(固)+H2SO4=(加热)Na2SO4+2HClB C+2H2SO4(浓)=(加热) CO2↑+2SO2↑+2H2OC Cu+2H2SO4(浓)=(加热)CuSO4+SO2↑+2H2OD 2FeO+4H2SO4(浓)=Fe2(SO4)3+SO2↑+4H](/uploads/image/z/9831336-24-6.jpg?t=%E4%B8%8B%E5%88%97%E5%8F%8D%E5%BA%94%E4%B8%AD%2C%E6%B5%93%E7%A1%AB%E9%85%B8%E6%97%A2%E8%A1%A8%E7%8E%B0%E5%BC%BA%E6%B0%A7%E5%8C%96%E6%80%A7%2C%E5%8F%88%E8%A1%A8%E7%8E%B0%E9%85%B8%E6%80%A7%E7%9A%84%E6%98%AF%EF%BC%88%EF%BC%89A+2NaCl%28%E5%9B%BA%EF%BC%89%2BH2SO4%3D%28%E5%8A%A0%E7%83%AD%EF%BC%89Na2SO4%2B2HClB+C%2B2H2SO4%28%E6%B5%93%EF%BC%89%3D%28%E5%8A%A0%E7%83%AD%29+CO2%E2%86%91%2B2SO2%E2%86%91%2B2H2OC+Cu%2B2H2SO4%28%E6%B5%93%EF%BC%89%3D%EF%BC%88%E5%8A%A0%E7%83%AD%EF%BC%89CuSO4%2BSO2%E2%86%91%2B2H2OD+2FeO%2B4H2SO4%28%E6%B5%93%EF%BC%89%3DFe2%28SO4%293%2BSO2%E2%86%91%2B4H)
下列反应中,浓硫酸既表现强氧化性,又表现酸性的是()A 2NaCl(固)+H2SO4=(加热)Na2SO4+2HClB C+2H2SO4(浓)=(加热) CO2↑+2SO2↑+2H2OC Cu+2H2SO4(浓)=(加热)CuSO4+SO2↑+2H2OD 2FeO+4H2SO4(浓)=Fe2(SO4)3+SO2↑+4H
下列反应中,浓硫酸既表现强氧化性,又表现酸性的是()
A 2NaCl(固)+H2SO4=(加热)Na2SO4+2HCl
B C+2H2SO4(浓)=(加热) CO2↑+2SO2↑+2H2O
C Cu+2H2SO4(浓)=(加热)CuSO4+SO2↑+2H2O
D 2FeO+4H2SO4(浓)=Fe2(SO4)3+SO2↑+4H2O
下列反应中,浓硫酸既表现强氧化性,又表现酸性的是()A 2NaCl(固)+H2SO4=(加热)Na2SO4+2HClB C+2H2SO4(浓)=(加热) CO2↑+2SO2↑+2H2OC Cu+2H2SO4(浓)=(加热)CuSO4+SO2↑+2H2OD 2FeO+4H2SO4(浓)=Fe2(SO4)3+SO2↑+4H
答案:D
A:价态没有改变
B:表现氧化性
C:表现氧化性
D:表现氧化性和三星.