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The EAN of platinum in potassium hexachloridoplatinate (IV) is (Atomic number of Pt = 78) :

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The EAN of platinum in potassium hexachloridoplatinate (IV) is (Atomic number of Pt = 78) :

(A) 90 

(B) 86

(C) 76 

(D) 88

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1 Answer

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Correct Answer is: (B) 86

K2 [PtCl6] ; Platinum is in + 4 oxidation state. Atomic number of Pt = 78..

So EAN Pt(IV) = 78 – 4 + 12 = 86

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