In this diagram,
The oxidation state "x" should be:
A
\N
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B
2
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C
3
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D
4
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Solution
The correct option is B 2 We know that, as energy increases stabilty of the element decreases. Here, most stable oxidation state of maganese is +2.
Because electronic configuration of Mn2+ is [Ar]3d54s0. More energy is needed to remove further electrons from Mn2+.