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Question #6a80e

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Jumbotron · Ernest Z.

Aug 15, 2017

The oxidation number of #"Mn"# is +6.

Explanation:

The name is manganate ion, #"MnO"_4^"2-"#.

Reason

#"Mn = +6"#

#"O = -2", color(white)(x)"4 × O" = 4 ×("-2") = "-8"#

#"1e"^"-" = "-1"#

∴ #"MnO"_4^"2-" = "+7 - 8 - 1 = -2"#

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