Question

Write the formulae for the following compounds:

(a) Mercury(II) chloride (b) Nickel(II) sulphate

(c) Tin(IV) oxide (d) Thallium(I) sulphate

(e) Iron(III) sulphate (f) Chromium(III) oxide

Answer 1

(a) Mercury (II) chloride:

HgCl₂

(b) Nickel (II) sulphate:

NiSO₄

(c) Tin (IV) oxide:

SnO₂

(d) Thallium (I) sulphate:

Tl₂SO₄

(e) Iron (III) sulphate:

Fe₂(SO₄)₃

(f) Chromium (III) oxide:

Cr₂O₃