The compound K₃[Fe(CN)₆] is used in calico printing and wool dyeing. Give its systematic name. A)Potassium iron(III)hexacyanate B)Tripotassium iron(III)hexacyanate C)Potassium hexacyanoferrate(III) D)Potassium hexacyanideferrate E)None of these choices are correct.

Question

Quizplus · Accepted Answer

The compound has the complex ion [Fe(CN)6]3-, which indicates that the iron is in its +3 oxidation state and is surrounded by six cyanide ligands. The presence of potassium ions in the compound indicates that it is a salt, specifically a potassium salt of a hexacyanoferrate(III) complex ion. Therefore, the systematic name is potassium hexacyanoferrate(III) (choice C).

The Compound K3[Fe(CN)6] Is Used in Calico Printing and Wool

The Compound K₃[Fe(CN)₆] Is Used in Calico Printing and Wool