MCQ
The effective atomic number of cobalt in the complex ${[Co{(N{H_3})_6}]^{3 + }}$ is
  • $ 36$
  • B
    $33 $ 
  • C
    $24$ 
  • D
    $30$ 

Answer

Correct option: A.
$ 36$
a
(a) $EAN$  = at. no. of central atom $ - $ oxidation state $ + \,\,2 \times $(no. of ligands) $ = 27 - 3 + 2 \times 6 = 36.$

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