JEE MAIN - Chemistry (2004 - No. 28)
Of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one of them?
$$\left( {n - 1} \right){d^3}n{s^2}$$
$$\left( {n - 1} \right){d^5}n{s^1}$$
$$\left( {n - 1} \right){d^8}n{s^2}$$
$$\left( {n - 1} \right){d^5}n{s^2}$$
Explanation
$$\left( {n - 1} \right){d^5}n{s^2}\,\,$$ attains the maximum $$O.S.$$ of $$+7$$
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