Chemistry: Transition elements colours

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14 Terms

1
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Fe(OH)3

Rusty brown precipitate

2
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[Cr(H2O)6]3+

Violet (organic) or green

3
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Zn2+

Colourless

4
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Sc3+

Colourless

5
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CrO42-

Yellow

6
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Cu(s)

Brown ppt

7
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Fe3+(aq)

Yellow sol

8
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I- (aq)

Colourless solution

9
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Cr2+ (aq)

Blue sol

10
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Cu+ (aq)

Colourless

11
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CuI(s)

White ppt

12
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MnO4- (aq)

Purple sol

13
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[Cr(OH)6]3- (aq)

Green precipitate

14
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[Cr(NH3)6]3+ (aq)

Purple solution