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    Chemistry A-Level

    Oxidation state and overall charge

    What Oxidation state and overall charge means in Chemistry A-Level, as defined for OCR.

    Definition of Oxidation state and overall charge

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    Reference: OCR

    Both ligands are neutral, so the overall charge stays 3⁺ and the chromium oxidation state remains +3 during ligand substitution.
    OCR · Transition elements

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