Chemistry A-Level
Colour changes of transition-metal ions
What Colour changes of transition-metal ions means in Chemistry A-Level, as defined for OCR.
Definition of Colour changes of transition-metal ions
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Reference: OCR
Each ion gives a hydroxide precipitate of a stated colour, such as blue for Cu²⁺, green for Fe²⁺, brown for Fe³⁺, pale brown for Mn²⁺ and grey-green for Cr³⁺.
Topics that use Colour changes of transition-metal ions
- Transition elements (OCR A-Level)
Related terms
- Balanced ionic equations for precipitation
- Balancing complex half-equations
- bidentate ligands
- Bidentate ligands giving octahedral complexes
- Bond angles and shape prediction
- Boundary cases scandium and zinc
- Calculating oxidation state from a formula
- Catalytic behaviour of transition metals and their compounds
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