下列物质的转化,需要加入氧化剂才能实现的是 ( )A.Na→Na+   

下列物质的转化,需要加入氧化剂才能实现的是 (  )

A.Na→Na+        B.Cl2 → HCl      C.SO32-→SO2       D.SO2→S

 

答案

A

解析:略

 

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