f.4 chem!!!

Cation
1. /2. NH4+3. Ag+4. /5. Iron(II) ion6. K+7. Ni2+8. Aluminium(III) ion9. Chromium(III) ion10. Fe3+
Anion
1. /2. Sulphate ion3. Nitrate ion NO3-4. /5. Hydrogencarbonate ion6. MnO4-7. Cl-8. /9. Chloride ion10. Chromate ion
Compound
1. /
2. Ammonoium sulphate (NH4)2SO4colourless
3. Silver nitrate
Colourless
4.Copper (II) nitrite
Cu(NO2)2
5. Iron (II) hydrogencarbonate
Fe(HCO3)2Green
6. Potassium permanganate
KMNO4Purple
7. Nickel (II) chloride
NiCl2Green
8. Aluminium iodide
Al I3(distinguish small letter 'l' and capital letter 'I')
colourless
9. Chromium (III) chloride
CrCl3Green
10. Iron (III) chromate
Fe2(CrO4)3Yellow




2013-08-23 22:03:45 補充：
Cation 8 should be Aluminium ion

First column:
Iron (II) ion
Aluminium ion
Chromium (III) ion

Second column:
NH4+
Ag+
K+
Ni2+
Fe3+

Third column:
Sulphate ion
Nitrate ion
Hydrogencarbonate ion
Chloride ion
Chromate ion

Fourth column:
NO3-
MnO4-
Cl-

Fifth column:
Ammonium sulphate
Silver nitrate
Copper(II) nitrite
Iron(II) hydrogencarbonate
Potassium permanganate
Nickel(II) chloride
Aluminium iodide
Chromium(III) chloride
Iron(III) chromate

Sixth column:
(NH4)2SO4
Cu(NO2)2
Fe(HCO3)2
KMnO4
NiCl2
AlI3
CrCl3
Fe2(CrO4)3

Seventh column:
Colourless
Colourless
(Pale) Green
Purple
Green
Brown
Green
Yellow