Calculate oxidation number - 1 of Ni in [Ni(CO)4]2+ 2 of Pt in K[PtCl3(NH3)] - Chemistry - Redox Reactions

Question

Calculate oxidation number - 1 of Ni in
[Ni(CO)​4]​2+ 2 of Pt in
K[PtCl3(NH3)]

Prateek Grover · Accepted Answer

Dear Student,

Oxidation Number of Nickel (Ni):

Let the Oxidation Number of Ni be
'x'
CO is a neutral ligand so its Oxidation number is 0
Overall charge on the complex is +2
Now,
x + 4(0) = +2
x = +2
So, Oxidation Number of Nickel in the complex is +2

Oxidation Number of Platinum (Pt):

Let the Oxidation Number of Pt be
'x'
Cl is an Mono-anionic Ligand so, its Oxidation Number is -1
NH3 is a Neutral Ligand so, O N is 0
Overall charge on the complex is -1 (as Potassium cation is
connected with it and its O N is +1)
Now,
x + 3(-1) + 0 = -1
x = +2
So, Oxidation Number of Platinum in the complex is +2

Hope this information clears your doubts about the topic

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