Transition-Element Ion Colours Flashcards by Kimaya Chana | Brainscape

Q

Copper(II)

Cu²⁺

A

Blue

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Q

Iron(II)

Fe²⁺

A

Green

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Q

Iron(III)

Fe³⁺

A

Red-brown

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Q

Chromium(III)

Cr³⁺

A

Green

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Q

Cobalt(II)

Co²⁺

A

Pink

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Q

Manganate(VII)

MnO₄⁻

A

Purple

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Q

Chromate(VI)

CrO₄²⁻

A

Yellow

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Q

Dichromate(VI)

Cr₂O₇²⁻

A

Orange

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