题干

硫酸亚铁是一种重要的化工原料,可以制备一系列物质(如图所示),下列说法错误的是(   )

A:碱式硫酸铁水解能产生Fe(OH)3胶体,可用作净水剂

B:为防止NH4HCO3分解,生产FeCO3需在较低温度下进行

C:可用KSCN溶液检验(NH42Fe(SO42是否被氧化

D:常温下,(NH42Fe(SO42比FeSO4易溶于水

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答案(点此获取答案解析)

D

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