Aqueous ions

Cards (8)

  • Colours of ions in aqueous solution
    Cu2+
    Fe2+
    Fe3+
    Al3+
    Cu2+= blue solution
    Fe2+= pale green solution
    Fe3+= yellow-brown solution
    Al3+= colourless solution
  • Colours of ions in NaOH
    Cu2+
    Fe2+
    Fe3+
    Al3+
    Cu2+= Blue ppt
    Fe2+= Green ppt
    Fe3+= Brown ppt
    Al3+= White ppt
  • Colours of ions in NH3
    Cu2+
    Fe2+
    Fe3+
    Al3+
    Cu2+= Blue ppt
    Fe2+= Green ppt
    Fe3+= Brown ppt
    Al3+= White ppt
  • Colours of ions with Na2CO3
    Cu2+
    Fe2+
    Fe3+
    Al3+
    Cu2+= blue-green ppt
    Fe2+= green ppt
    Fe3+= brown ppt
    Al3+= white ppt
  • Colours of ions with Cl
    Cu2+
    Fe2+
    Co2+
    Cu2+= yellow-green solution
    Fe2+= yellow solution
    Co2+= blue solution
  • What is a ligand?
    A molecule or ion that forms a co-ordinate bond with a transition metal by donating a pair of electrons
  • Colour of Al3+ in XS NaOH
    Colourless solution
  • Colour of Cu2+ in XS NH3
    Deep blue solution