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प्रश्न
Account for the following :
Manganese shows maximum number of oxidation states in 3d series.
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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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संबंधित प्रश्न
Complete the following equation : MnO4- + 8H+ + 5e- →
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Indicate the steps in the preparation of \[\ce{K2Cr2O7}\] from chromite ore.
