What is the EAN of Pt in potassium hexac

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Target Exam

CUET

Subject

Chemistry

Chapter

Inorganic: Coordination Compounds

Question:

What is the EAN of Pt in potassium hexachloroplatinate?

Options:

Correct Answer:

Explanation:

K₂[PtCl₆] → 2K⁺ + [PtCl₆]^2-

[PtCl₆]^2-

x + 6(-1) = -2

x - 6 = -2

x = -2 + 6 = +4

EAN = Z - (O.N.) + 2(C.N.)

EAN = 78 - 4 + 2(6) = 74 + 12 = 86