Transition Metals Flashcards by Jess Beecroft

Q

What colour is aqueous Iron (II)

A

green solution

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Q

What colour is aqueous Copper(II)

A

blue solution

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Q

What colour is aqueous Iron (III)

A

Purple solution (may look yellow-brown due to some [Fe(H20)5(OH)]2(aq)

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Q

What colour is aqueous aluminum (III)

A

Colourless solution

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Q

Iron (II) + NaOH

A

Fe(H20)4(OH)2 (s)

green ppt goes brown on standing in air

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Q

Copper (II) + NaOH

A

Cu(H20)4(OH)2 (s)

blue ppt

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Q

Iron (III) + NaOH

A

Fe(H20)3(OH)2 (s)

brown ppt

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Q

Aluminium (III) + NaOH

A

Al(H20)3(OH)3 (s)

white ppt

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Q

Iron (II) + excess NaOH

A

No further change

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Q

Copper (II) + excess NaOH

A

No further change

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Q

Iron (III) + excess NaOH

A

No further change

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Q

Aluminum (III) + excess NaOH

A

[Al(OH)4]- (aq)

colourless solution

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Q

Iron (II) + NH3 (aq)

A

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

green ppt goes brown on standing in air

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Q

Copper (II) + NH3(aq)

A

Cu(H20)4(OH)2 (s)

blue ppt

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Q

Iron (III) + NH3 (aq)

A

Fe(H20)3(OH)3 (s)

brown ppt

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Q

Aluminum (III) + NH3 (aq)

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A

Al(H20)3(OH)3 (s)

white ppt

Q

Iron (II) + excess NH3 (aq)

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A

no further change

Q

Copper (II) + excess NH3 (aq)

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A

[Cu(H20)2(NH3)4]2+ (aq)

deep blue solution

Q

Iron (III) + excess NH3 (aq)

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A

no further change

Q

aluminum (III) + excess NH3 (aq)

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A

no further change

Q

Iron (II) + Na2CO3(aq)

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A

FeCO3 (s)

green ppt

Q

Copper (II) + Na2CO3 (aq)

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A

CuCO3 (s)

blue-green ppt

Q

Iron (III) + Na2CO3 (aq)

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A

Fe(H20)3(OH)3 (s)

brown ppt + C02 effervescence

Q

Aluminum (III) + Na2CO3 (aq)

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A

Al(H20)3(OH)3 (s)

white ppt + CO2 effervescence