tansition metals aqeous ions colours

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Chemistry

Last updated 11:10 AM on 6/1/26
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18 Terms

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Titanium 3+

Purple

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Titanium 2+

Violet

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VO2 +

The V5+ ion is yellow

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VO 2+

The V+4 ion is blue

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V3+

Green

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V2+

Violet

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Cu2+

Pale blue

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Ni2+

Green

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CO2+

Pink

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Fe3+

Yellow

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Fe2+

pale green

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MnO4 -

The Mn+7 ion is purple

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MnO4 2-

The Mn6+ ion is green

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Mn2+

Pink

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Cr2O7 2-

The Cr+6 is orange

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Cr3+

Purple but looks green

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Why do they have multiple oxidation states

The energy levels of the 4S and 3d sub shells are very close so different amounts of electrons can be lost or gained using similar amounts of energy

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