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NEETChemistryCoordination Compounds

In the complex [Co(en) 3 ]3+, what is the coordination number of the cobalt ion?

Options

  1. A3
  2. B4
  3. C5
  4. D6

Correct answer

D. 6

Step-by-step solution

The coordination number of Co in the complex[Co(en) 3 ]3+ is 6 because it is bonded to three en (ethane-1,2-diamine) ligands, each contributing two donor atoms.

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