Colours Of Aqueous Ions Flashcards

1
Q

[Fe(H2O)6]2+ (aq)

A

Green solution

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2
Q

[Fe(H2O)4(OH)2] (s)

A

Green ppt (goes brown in air)

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3
Q

FeCO3 (s)

A

Green ppt

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4
Q

[Cu(H2O)6]2+ (aq)

A

Blue solution

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5
Q

[Cu(H2O)4(OH)2] (s)

A

Blue ppt

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6
Q

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

A

Deep blue solution

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7
Q

CuCO3 (s)

A

Blue-green ppt

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8
Q

[Fe(H2O)6]3+ (aq)

A

Purple solution / yellow-brown (due to some [Fe(H2O)5(OH)]2+

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9
Q

[Fe(H2O)3(OH)3] (s)

A

Brown ppt

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10
Q

[Al(H2O)6]3+ (aq)

A

Colourless solution

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11
Q

[Al(H2O)3(OH)3] (s)

A

White ppt

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12
Q

[Al(OH)4] - (aq)

A

Colourless solution

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13
Q

[CuCl4]2-

A

Yellow - green

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