transition metal colours of vanadium and chromium Flashcards by Alice Lowe | Brainscape

Q

V2+

A

purple

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Q

V3+

A

green

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Q

(VO)2+

A

blue

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Q

(VO2)+

A

yellow

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Q

Cr2+

A

blue

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Q

Cr3+

A

green (violet)

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Q

Cr2O7 2-

A

orange

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Q

CrO4 2-

A

yellow

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Q

[Cr(H2O)6]3+

A

green solution

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Q

[Cr(H2O)3(OH)3]

A

green ppt

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Q

[Cr(OH)6]3-

A

green solution

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Q

[Cr(NH3)6]3+

A

violet solution

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