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高考网
25 天
2025年高考高中化学方程式配平经典题目 果断收藏
为氧化剂的氧化还原反应 K2Cr2O7+C+H2SO4→K2SO4+Cr2(SO4)3+CO2+H2O KI+K2CrO4+HCl→CrCl3+KCl+I2+H2O K2Cr2O7+Fe3O4+H2SO4→Cr2(SO4)3+Fe2(SO4)3+K2SO4+H2O K2Cr2O7+KI+→CrPO4+K3PO4+I2+H2O 4、配平下列以HNO3为氧化剂的氧化还原反应 ...
高考网
26 天
2025年高考化学二轮复习易错30个知识点
23.在次氯酸钠溶液中通入少量二氧化硫可得亚硫酸钠与次氯酸? 错误,次氯酸可以氧化亚硫酸钠,会得到NaCl和H2SO4? 24.有5.6g铁与足量酸反应转移电子数目为0.2NA? 错误,如果和硝酸等强氧化性酸反应转移0.3NA? 25.含有最高价元素的化合物不一定具有强氧化性? 正确 ...
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