试题与答案

关于用CCl4萃取碘水的说法中不正确的是() A.碘在CCl4中的溶解度大于在水

题型:选择题

题目:

关于用CCl4萃取碘水的说法中不正确的是(  )

A.碘在CCl4中的溶解度大于在水中的溶解度

B.萃取后水层颜色变浅

C.萃取后CCl4溶液层为紫红色

D.萃取后水层颜色变红且在下层

答案:

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