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NEET2018ChemistryCoordination CompoundsActual

Which of the following is a pair of diamagnetic complexes?

Options

  1. A[ Co ( NH ₃ )₆ ]³⁺, [ Fe ( CN )₆ ]⁴⁻
  2. B[ Co (o x)₃ ]³⁻, [ FeF ₆ ]³⁻
  3. C[ Fe (o x)₃ ]³⁻, [ FeF ₆ ]³⁻
  4. D[ Fe ( CN )₆ ]³⁻, [ CoF ₆ ]³⁻

Correct answer

A. [ Co ( NH ₃ )₆ ]³⁺, [ Fe ( CN )₆ ]⁴⁻

Step-by-step solution

[ Co ( NH ₃ )₆ ]³⁺ and [ Fe ( CN )₆ ]⁴⁻ are diamagnetic complexes.

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