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An element [X] has an outer electronic configuration as . The maximum oxidation state and most…
An element [X] has an outer electronic configuration as $3d^5 4s^2$. The maximum oxidation state and most common oxidising state of the element will be:
- (a)+5, +3
- (b)+2, +2
- (c)+7, +3
- (d)+7, +2
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From ISC 2025 Practice Chemistry, question 4.