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NTA Abhyas JEE Main2020ChemistryCoordination CompoundsPractice

Which of the following statement is wrong

Options

  1. AR u C l 6 2 - has a t 2 g 4 configuration
  2. BFe Ox 3 3 − is a low spin complex
  3. CPairing energy of 4d and 5d series metal tend to be lower than the 3d series metals.
  4. DNumber of unpaired electrons in M n C N 6 3 - is 2

Correct answer

B. Fe Ox 3 3 − is a low spin complex

Step-by-step solution

Fe Ox 3 3 − is a high spin complex.

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