Single Choice

In which of the following, the chemical formula and the name are incorrectly matched?

A$$K\left [Pt\left ( NH_{3} \right )Cl_{5} \right ]$$ - potassium amminepentachloroplatinate(IV)
B$$\left [ Ag\left ( CN\right )_{2} \right ] ^{-}$$- dicyanoargentate(I) ion
C$$K_{3}\left [Cr\left ( C_{2}O_{4} \right )_{3} \right ]$$ - potassium trioxalatochromate(III)
D$$Na_{2}\left [Ni\left ( EDTA \right ) \right ]$$ - sodium ethylenediaminetetraacetonickelate(IV)
Correct Answer

Solution

The correct IUPAC name of compound $${ Na }_{ 2 }[Ni(EDTA)]$$ is sodium ethylenediaminetetraacetonickelate(II). Let $$x$$ be the oxidation state of $$Ni$$. In this compound, the complex has $$-2$$ charge and $$EDTA$$ has $$-4$$ charge, hence $$x-4=-2$$, which gives $$x=+2$$ which is the oxidation number of $$Ni$$. But given option D is incorrect oxidation state.

SIMILAR QUESTIONS

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Coordination Compounds

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Coordination Compounds

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Coordination Compounds

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