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NEST2016ChemistryCoordination Compounds

Several octahedral complexes are possible from combinations of Co ³⁺, Cl ⁻ and NH ₃ . The correct statement(s) regarding the octahedral coordination entities having the formulae [ Co ( NH ₃ )_n Cl _ 6-n ]^ (n-3)+ with n 3 , is/are

Options

  1. AAt most six octahedral complexes are possible.
  2. BOne of the complexes is homoleptic.
  3. CAll the complexes are paramagnetic.
  4. DSome of the complexes dissociate in water to give Co ³⁺ and Cl ⁻ ions.

Correct answer

B. One of the complexes is homoleptic.

Step-by-step solution

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