unit 3.4 - d block complexes colours

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13 Terms

1
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Cr^3+

green

2
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CrO4^(2-)

yellow

3
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Cr2O7^(2-)

orange

4
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MnO4^-

purple

5
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Co^(2+)

pink

6
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Fe^(2+)

pale green

7
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FE^(3+)

red brown

8
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[Cu(H2O)6]2+

pale blue 

9
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[Cu(NH3)4(H2O)2]2+

royal blue 

10
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[Co(H2O)6]2+

pink 

11
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[CuCl4]2+

yellow green

12
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[CoCl4]2-

deep blue

13
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what colour ppt is Cu(OH)2

pale blue precipitate