Aqua Ions Flashcards
[Co(H2O)6]2+
Pink sol
[Cu(H2O)6] 2+
Blue sol
Fe(H2O)4(OH)2
OH excess/little
NH3 excess/little
Green ppt
Co(H2O)4(OH)2
Little OH or excess or little NH3
Blue ppt
Cu(H2O)4(OH)2
Oh little or excess and NH3 little
Blue ppt
FeCO3
Green ppt
Co(NH3)6 2+
NH3 excess
Pale yellow-brown solution
CoCO3
Pink ppt
Cu(NH3)4(H2O)2 2+
NH3 excess
deep blue sol
CuCO3
Blue-green ppt
[Fe(H2O)6]3+
Purple/yellow/brown sol
Fe(H2O)3(OH)3
OH little/excess
NH3 little/excess
CO3 2- This give off CO2 as well
Brown ppt
[Al(H2O)6]3+
Colourless sol
Al(H2O)3(OH)3
OH little
NH3 little/Excess
CO3 2- This produces CO2 as well
White ppt
[Al(OH)4]-
OH Excess
Colourless solution
[Cr(H2O)6]3+
Ruby sol
Cr(H2O)3(OH)3
OH little
NH3 little
Green ppt
[Cr(OH)6]-
OH Excess
Green sol
[Cr(NH3)6]3+
NH3 excess
Purple sol
Cr(OH)3
CO3 2- and produces CO2 as well
Green ppt
[Fe(H2O)6] 2+
Green sol