which of the follow ions can be seen to migrate in an electr

2007-12-06 2:22 am
which of the follow ions can be seen to migrate in an electric field?
A. sulphate ion
B. chloride ion
C. permanganate ion
D.hydroxide ion

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回答 (1)

2007-12-06 9:10 pm
✔ 最佳答案
c)

It is beacuse permanganate ion has purple color and Mn ion in different oxidation forms has differencet color, e.g. Mn(VII) purplr, Mn(VI) green, Mn(IV) brown, Mn(II) colorless.


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