9. COORDINATION COMPOUNDS
1. Choose the most correct option.
iii. Formula for the compound sodium hexacynoferrate (III) is
a. [NaFe(CN)6]
b. Na2[Fe(CN)6]
c. Na[Fe(CN)6]
d. Na3[Fe(CN)6]
Answer:-
The formula for the compound sodium hexacynoferrate (III) is `bb(underline(Na_3[Fe(CN)_6])`.
Explanation: Naming Rules:- Begin by naming the complex ion or neutral molecule, followed by the metal.
- For anionic ligands, change the ending -ide to -o and -ate to -ato.
- The name should consist of a single word.
- Include the oxidation state (O.S.) after the metal’s name.
- If there are multiple ligands of the same type, use prefixes like di-, tri-, tetra-.
- Arrange the ligands alphabetically in the name.