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प्रश्न
Account for the following :
Manganese shows maximum number of oxidation states in 3d series.
उत्तर
Mnexhibits all the oxidation states from (+ 2) to (+ 7)
`"_25Mn = [Ar]3d^s 4s^2`
Mn+ = Half filled (stable)
Mn2+ =
Mn3 =
Mn4+=
Mn5+ =
Mn6+ =
Mn+7 = → Highest oxidation state = (+7)
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