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KCET2024ChemistryCoordination Compounds

Which of the following statements are true about [ CoF ₆ ]³⁻ ion ? I. The complex has octahedral geometry. II. Coordination number of Co is 3 and oxidation state is +6 . III. The complex is s p^3 d^2 hybridised. IV. It is a high spin complex.

Options

  1. AI, II and IV
  2. BI, III and IV
  3. CII and IV
  4. DII, III and IV

Correct answer

B. I, III and IV

Step-by-step solution

Statements given in I, III and IV are true regarding [ CoF ₆ ]³⁻ ion while II is false. The correct form of statement II is coordination number of Co is 6 and its oxidation state is +3 .

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