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一、有关氧化剂、还原剂概念及判断易错易混点归纳1.氧化还原反应中,非金属单质一定只作氧化剂。非金属元素既有正价又有负价,故氧化还原反应中,绝大多数非金属单质既可作氧化剂又可作还原剂,只是以氧化剂为主。活泼非金属单质与强还原剂反应时,活泼非金属单质作氧化剂;较不活泼非金属单质与强氧化剂反应时,不活泼金属单质作还原剂;某些非金属单质如CI2与热NaOH
First, the concept of oxidant, reductant and easy to determine the concept of easy to mix mistakes 1. Redox reaction, non-metallic element must be only as oxidant. Non-metallic elements have both positive and negative prices, so the redox reaction, the vast majority of non-metallic elements can be used as both oxidant and reductant, but the main oxidant. When active non-metallic element and strong reductant react, active non-metallic elemental oxidant; less reactive non-metallic element and strong oxidant reaction, the inactive metal elemental reductant; some non-metallic elemental such as CI2 and hot NaOH