Transition Metals Flashcards
What colour is aqueous Iron (II)
green solution
What colour is aqueous Copper(II)
blue solution
What colour is aqueous Iron (III)
Purple solution (may look yellow-brown due to some [Fe(H20)5(OH)]2(aq)
What colour is aqueous aluminum (III)
Colourless solution
Iron (II) + NaOH
Fe(H20)4(OH)2 (s)
green ppt goes brown on standing in air
Copper (II) + NaOH
Cu(H20)4(OH)2 (s)
blue ppt
Iron (III) + NaOH
Fe(H20)3(OH)2 (s)
brown ppt
Aluminium (III) + NaOH
Al(H20)3(OH)3 (s)
white ppt
Iron (II) + excess NaOH
No further change
Copper (II) + excess NaOH
No further change
Iron (III) + excess NaOH
No further change
Aluminum (III) + excess NaOH
[Al(OH)4]- (aq)
colourless solution
Iron (II) + NH3 (aq)
Fe(H2O)4(OH)2 (s)
green ppt goes brown on standing in air
Copper (II) + NH3(aq)
Cu(H20)4(OH)2 (s)
blue ppt
Iron (III) + NH3 (aq)
Fe(H20)3(OH)3 (s)
brown ppt
Aluminum (III) + NH3 (aq)
Al(H20)3(OH)3 (s)
white ppt
Iron (II) + excess NH3 (aq)
no further change
Copper (II) + excess NH3 (aq)
[Cu(H20)2(NH3)4]2+ (aq)
deep blue solution
Iron (III) + excess NH3 (aq)
no further change
aluminum (III) + excess NH3 (aq)
no further change
Iron (II) + Na2CO3(aq)
FeCO3 (s)
green ppt
Copper (II) + Na2CO3 (aq)
CuCO3 (s)
blue-green ppt
Iron (III) + Na2CO3 (aq)
Fe(H20)3(OH)3 (s)
brown ppt + C02 effervescence
Aluminum (III) + Na2CO3 (aq)
Al(H20)3(OH)3 (s)
white ppt + CO2 effervescence
