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Question

The oxoanion in which the oxidation state of the central atom is same as its group number in the periodic table is:

A
$$SO_{4}^{2-}$$
B
$$CrO_{7}^{2-}$$
C
$$MnO_{4}^{2-}$$
D
$$VO_{2}^{-}$$
Solution
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Correct option is D. $$CrO_{7}^{2-}$$

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