Correct name of K₄[Fe(CN)₆ ] is :
(a) Potassium ferricyanide
(b) Potassium ferrocyanide
(c) Potassium hexa cyanoferrate (II)
(d) Potassium hexa cyanoferrate (III)
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Answer:
Correct name is Potassium Ferrocyanide
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(b) Potassium ferrocyanide
Explanation:
The IUPAC name of the compound K₄[Fe(CN)₆ ] is Potassium ferrocyanide. It is the potassium salt of the coordination complex [Fe(CN)6]4−. This salt forms lemon-yellow monoclinic crystals.
The chemical formula of a similar compound K3[Fe(CN)6] is Potassium ferricyanide. This is a bright red salt that contains the octahedrally coordinated [Fe(CN)6] ion. This is more stable than the ferrocyanide compound.
Option B is the answer.
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