chem simple~

For each of the following compounds, the first name is for HKCE and the second name is for HKAL.

a) copper(II) nitrate / copper(II) nitrate(V)
b) lead(II) hydroxide / lead(II) hydroxide
c) chromium(III) sulphate / chromium sulphate(VI)
d) potassium hydrogensulphite / potassium hydrogensulphate(IV)
e) copper(II) sulphide / copper(II) sulphide

f) iron(II) sulphate-7-water / iron(II) sulphate(VI)-7-water
g) ammonium dichromate / ammonium dichromate(VI)
h) barium sulphite / barium sulphate(IV)
i) calcium hydrogencarbonate / calcium hydrogencarbonate
j) magnesium ethanoate / magnesium ethanoate

k) iron(II) chloride / iron(II) chloride
l) potassium chlorite / potassium chlorate(III)

2007-04-22 23:36:58 補充：
The answer of e) should be :e) copper(I) sulphide / copper(I) sulphide