# 8.6     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.

Following oxometal anions of the first series that exhibits the oxidation state equal to its group number-

1. Vanadate $(VO_{3}^{-})$
Group number of vanadium$(V)$ is 5 and here the oxidation state is also +5
2. Chromate ion $(CrO_{4}^{2-})$
Group number of chromium is (VIB) and the oxidation state is +6
3. Permanganate ion $(MnO_{4}^{-})$
Group number of $(Mn)$ is VIIB and here the oxidation number is also +7

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