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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 :
`2MnO_4^(-)+6H^++5NO_2^(-)rarr`
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Give an example and suggest a reason for the following feature of the transition metal chemistry:
The lowest oxide of transition metal is basic, the highest is amphoteric/acidic.
Complete the following equation :
\[\ce{KMnO4}\] acts as an oxidising agent in alkaline medium. When alkaline \[\ce{KMnO4}\] is treated with \[\ce{KI}\], iodide ion is oxidised to ______.
The oxidation state of manganese in the product obtained in a reaction of potassium permanganate and hydrogen peroxide in a basic medium is ______.
Potassium permanganate on heating at 513 K gives a product which is ______.
Indicate the steps in the preparation of \[\ce{K2Cr2O7}\] from chromite ore.
Indicate the step in the preparation of K2Cr2O7 from chromite ore.
Indicate the steps in the preparation of \[\ce{K2Cr2O7}\] from chromite ore.
