高铁酸钾(K2FeO4)和二氧化氯(ClO2)都是高效水处理剂,其工业制

高铁酸钾(K2FeO4)和二氧化氯(ClO2)都是高效水处理剂,其工业制备的反应原理分别为  2Fe(OH)3+3 KClO+4KOH=2K2FeO4+3KCl+5H2O

2KClO3+ Na2SO3 +H2SO4=2ClO2 + Na2SO4 + K2SO4+ H2O

下列说法中,正确的是(     ) w.w.w.k.s.5.u.c.o.m

A.上述两个反应中, KClO3做氧化剂,KClO 做还原剂

     B.ClO2做水处理剂原理和明矾相同

C.K2FeO4用于杀菌后其还原产物还可用作净水剂

     D.制备等物质的量的K2FeO4和ClO2,转移的电子数之比为1 : 1

答案

C

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