Give the structural formulae of the following :
(i) potassium hexacyanoferrate (III)
(ii) chloro-bis(ethylenediamine)nitro cobalt (III) ion

Explanation

To derive the structural formulae for the coordination compounds mentioned in the question, we will follow these steps for each compound:

### (i) Potassium Hexacyanoferrate(III)

1. **Identify the Metal and its Oxidation State**:
- The metal in this compound is Iron (Fe), and it is in the +3 oxidation state (indicated by "ferrate(III)").

2. **Identify the Ligands**:
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