The d-And-f-Block Elements

Short Answer Type

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Name the oxometal anions of the first series of the transition metals in which the metal exhibits the oxidation state equal to its group number. 

Name of oxometal anion

Name of metal with oxidation state

Group no. to which metal belong

1.    CrO42–
(chromate ion)

2.    MnO4–
(permanganate ion)
3.Vanadate 

Cr in +6 state of oxidation
Mn in +7 state

oxidation state +5

6th group of periodic table
7th group

 
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