What is CN of metal atom in an octahedral complex ?

Octahedral Complexes

What is the CN of the metal atom in the complex salt [Co(NH_3)_4(H_(2)O)Cl]Cl_2 ?

What is the coordination number of the metal ion in an octahedral complex ? Why does NH_(3) take part in complex formation but not NH_(4)^(+) ?

The metal atom present in a complex as -

For the same metal, the stabiliing energies of tetrahedral and octahedral complex are related as

The number of trans positions in a octahedral complex is ________

For the same metal, stabilisation energies of tetrahedral and octahedral complexes are related as