Question

Be sure to answer all parts. Complete the correct name for the following compounds. (a) Na3[Fe(CN)6] hexacyanoferrate (b) [Cr(en)2Cl2]I (ethylenediamine)chromium() (c) [Co(en)3]I3 (ethylenediamine)cobalt()

Answer 1

1. Na3[Fe(CN)6]

Oxidation number of iron is +3

Sodium hexacyanoferrate (III)

2. [Cr (en)2Cl2]+

Oxidation number of chromium is +3

Dichlorobis (ethylenediamine)chromium (III) ion

3. [Co (en)3]Cl3

Oxidation number of cobalt is +3

Tris (ethylenediamine)cobalt (III) chloride