Skip to content
    Chemistry A-Level

    Variable oxidation states of copper

    What Variable oxidation states of copper means in Chemistry A-Level, as defined for OCR.

    Definition of Variable oxidation states of copper

    Check what you remember

    Read the wording for your board, then hide it and explain Variable oxidation states of copper in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: OCR

    Copper shows two common aqueous oxidation states, Cu²⁺ (blue) and Cu⁺ (colourless), with Cu⁺ unstable in aqueous solution.
    OCR · Transition elements

    Topics that use Variable oxidation states of copper

    Related terms

    Using Variable oxidation states of copper in the exam

    Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

    Practise Chemistry questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Chemistry A-Level terms