09. metal ion solution colours

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Last updated 11:14 AM on 5/22/26
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8 Terms

1
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What is the colour of Fe²⁺

pale green

2
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What is the colour of Co²⁺

pink

3
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What is the colour of Cu²⁺

Pale blue

4
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What is the colour of CrO₄²⁻

Yellow

5
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What is the colour of MnO₄²⁻

Purple

6
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What is the colour of Cr₂O₇²⁻

Orange

7
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What is the colour of Fe³⁺

Orange

8
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What is the colour of Cr³⁺?

Green