Colours Flashcards by Croft Megan | Brainscape

Q

Copper (aq)

A

blue solution

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Q

copper and NaOH

A

blue ppt

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Q

Copper and excess NH3

A

deep blue solution

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Q

Copper and Na2CO3

A

blue green ppt

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Q

Copper and HCl

A

yellow solution

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Q

Cobalt aqueous

A

Pink

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Q

Cobalt and NaOH

A

blue ppt

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Q

Cobalt and excess NH3

A

pale brown solution

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Q

Cobalt and Na2CO3

A

purple ppt

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Q

Cobalt and HCl

A

blue solution

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Q

Vanadium (V) acidic solution

A

Yellow solution

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Q

Vanadium (IV) acidic solution

A

blue solution

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Q

Vanadium (III) acidic solution

A

green solution

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Q

Vanadium (II) acidic solution

A

purple solution

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Q

iron (II) aqueous

A

green solution

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Q

iron (II) and NaOH

A

green ppt (goes brown on standing)

Q

iron (II) excess of NaOH

A

no further change

Q

iron (II) and NH3

A

green ppt (brown on standing)

Q

iron (II) and excess NH3

A

no further change

Q

iron (II) and Na2CO3

A

green ppt

Q

coppper (II) and dilute NH3

A

blue ppt

Q

iron (III) aqueous

A

purple solution

Q

iron (III) and NaOH

A

brown ppt

Q

iron (III) and excess NaOH

A

no further change

Q

iron (III) and NH3

A

brown ppt

Q

iron (III) and excess NH3

A

no further change

Q

iron (III) and Na2CO3

A

brown ppt and CO2 gas given off

Q

Aluminium aqueous

A

Colourless solution

Q

Aluminium and NaOH

A

white ppt

Q

Aluminium and excess NaOH

A

colourless solution

Q

Aluminium and NH3

A

white ppt

Q

Aluminium and excess NH3

A

No further change

Q

Aluminium and Na2CO3

A

White ppt and CO2 gas given off