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Question
Choose the most correct option.
Formula for the compound sodium hexacynoferrate (III) is ____________.
Options
[NaFe(CN)6]
Na2[Fe(CN)6]
Na[Fe(CN)6]
Na3[Fe(CN)6]
Solution
The formula for the compound sodium hexacynoferrate (III) is `bb(underline(Na_3[Fe(CN)_6])`.
Explanation:
Rules for naming:-
- Name the complex ion or neutral molecule first, then the metal.
- Aniomic ligand with the ending ide changed to – O – and the ending ate changed to – ato.
- It is only one word.
- Write O.S. after the name of the metal.
- More than one ligand of the same type is present prefix, di, tri, tetra.
- The ligands are then written in alphabetical order.
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