The permanganate ion is composed of
A)one atom of magnesium,four atoms of oxygen,and one extra electron.
B)one atom of manganese,four atoms of oxygen,and one extra electron.
C)four atoms of magnesium,four atoms of oxygen,and one extra electron.
D)four atoms of manganese,four atoms of oxygen,and one extra electron.
E)one manganese(II)ion,four oxide ions,and two extra electrons.

Question

Quizplus · Accepted Answer

The prefix "perm" means "fully" or "thoroughly" and the suffix "-ate" generally indicates that oxygen is present in the anion. Therefore, the permanganate ion is a fully oxidized ion of manganese, which has a +7 oxidation state when combined with oxygen. Therefore, the correct choice is option B, which includes one atom of manganese, four atoms of oxygen, and one extra electron.

The Permanganate Ion Is Composed of