Question

what's the electronic configuration of Fe in K4[Fe(CN)6]?​

Answer 1

Answer:

K4Fe(CN)6                                    : Potassium ferrocyanide

Density                                       :  1.85 g/cm³

Molecular Weight/ Molar Mass: 368.35 g/mol

Boiling Point                               :  400 °C

Melting Point                               : 300 °C

Chemical Formula                       : K4Fe(CN)6

Answer 2

Answer:

Electronic configuration of Fe is (II)

Explanation:

Let electronic configuration of Fe be x.

x-6 = -4 [∵ CN is -1 and total charge on the complex is -4, as 4 K⁺ ions are bonded.]

⇒ x = 6-4

    x = 2