Transition Metal Complex Colours Flashcards by Felix Ronneberger | Brainscape

Q

[Cu(H₂O)₆]²⁺

A

pale blue

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Q

[Cu(H₂O)₄(OH)₂]

A

blue precipitate

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Q

[Cu(NH₃)₄(H₂O)₂]²⁺

A

dark blue

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Q

[Cu(Cl)₄]²⁻

A

green/yellow

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Q

[Co(H₂O)₆]²⁺

A

pink

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Q

[Co(H₂O)₄(OH)₂]

A

blue precipitate

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Q

[Co(NH₃)₆]²⁺

A

brown

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Q

[Co(Cl)₄]²⁻

A

blue

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Q

[Fe(H₂O)₆]²⁺

A

pale green

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Q

[Fe(H₂O)₄(OH)₂]

A

green precipitate

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Q

[Fe(H₂O)₃(OH)₃]

A

brown precipitate

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Q

[Fe(H₂O)₆]³⁺

A

yellow/brown

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Q

[Cr(H₂O)₆]³⁺

A

green/violet

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Q

[Cr(H₂O)₃(OH)₃]

A

green precipitate

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Q

[Cr(H₂O)₂(OH)₄]⁻

A

green

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Q

[Cr(NH₃)₆]³⁺

A

violet

Q

[Cr(OH)₆]³⁻

A

green

Q

[Cr(H₂O)₆]²⁺

A

colourless

Q

Cr₂O₇²⁻

A

orange

Q

CrO₄²⁻

A

yellow

Q

V⁵⁺

A

yellow

Q

V⁴⁺

A

blue

Q

V³⁺

A

green

Q

V²⁺

A

violet