Transition Metals Flashcards
Cu2+ (aq) ion colour
Blue solution
Cu2+ (aq) and NaOH
Blue ppt
Cu(H2O)4(OH)2
Cu2+ (aq) and XS NaOH
Blue ppt (no further change)
Cu(H2O)4(OH)2
Cu2+ (aq) and NH3
Blue ppt
Cu(H2O)4(OH)2
Cu2+ (aq) and XS NH3
Deep blue solution
Cu(H2O)2(NH3)4 ^2+
Cu2+ (aq) and Na2CO3
blue-green ppt
CuCO3
Fe2+ (aq) ion colour
green solution
Fe2+ (aq) and NaOH
green ppt (oxidises in air to brown)
Fe(H2O)4(OH)2
Fe2+ (aq) and XS NaOH
green ppt (no further change)
Fe(H2O)4(OH)2
Fe2+ (aq) and NH3
green ppt (oxidises in air to brown)
Fe(H2O)4(OH)2
Fe2+ (aq) and XS NH3
green ppt (no further change)
Fe(H2O)4(OH)2
Fe2+ (aq) and Na2CO3
green ppt
FeCO3
Fe3+ (aq) ion colour
purple solution
Fe3+ (aq) and NaOH
brown ppt
Fe(H20)3(OH)3
Fe3+ (aq) and XS NaOH
no further change
Fe(H20)3(OH)3
Fe3+ (aq) and NH3
brown ppt
Fe(H20)3(OH)3
Fe3+ (aq) and XS NH3
no further change
Fe(H20)3(OH)3
Fe3+ (aq) and Na2CO3
brown ppt
CO2 gas
Fe(H20)3(OH)3
Al3+ (aq) ion colour
colourless solution
Al3+ (aq) and NaOH
white ppt
Al(H20)3(OH)3
Al3+ (aq) and XS NaOH
colourless solution
Al(OH)4 ^-
Al3+ (aq) and NH3
white ppt
Al(H20)3(OH)3
Al3+ (aq) and XS NH3
no further change
Al(H20)3(OH)3
Al3+ (aq) and Na2CO3
white ppt
CO2 gas
Al(H20)3(OH)3
what gas evolved when Fe3+ and Al3+ (aq) react with Na2CO3?
CO2
the addition of which two chemicals dropwise produce the same result for all the aqua ions that you need to know?
NH3 and NaOH
2+ ions have trends of which numbers?
2 and 4
3+ ions have a trend of which number of Ligands?
3
The 4 colours of the 4 oxidation states of vanadium
Yellow
Blue
Green
Purple
Variable oxidation states of vanadium
VO2^+
VO^2+
V3+
V2+
Cu2+ + HCl ->
(CuCl4)2-
yellow solution
