Understanding Oxidation States of Metals

1. What is the oxidation state of the metal in the complex [Fe(CN)₆]^3-?

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• 0

• +1

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Determine the oxidation state of the metal in the complex [Cu(NH₃)₄]²⁺.

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• +4

• 0

• +6

1. What is the oxidation state of the metal in the complex [ZnCl₄]^2-?

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• +2

• +4

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Calculatethe oxidation state of the metal in the complex [PtCN₄]^2-

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• +3

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What is the oxidation state of the metal in the complex [Fe(CO)₅]

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• +3

• +2

• 0

1. What is the oxidation state of the metal in the complex [Co(NH₃)₅NO₂]Cl₂? 

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• +3

• -1

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1. What is the oxidation state of the metal in the complex [Cr(H₂O)₅SCN]²⁺?

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• +6

• +3

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1. What is the oxidation state of the metal in the complex K₄[Fe(CN)₆]? 

• +2

• 0

• -4

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1. What is the oxidation state of the metal in the complex [CoBr₂(CN)₂]⁺? 

• +4

• +3

• +2

• +1

1. What is the oxidation state of the metal in the complex [Pt(NH₃)₃Cl₃]⁺? 

• -1

• +3

• +4

• +1