The effective atomic number (EAN) of central metal atom in [Co(NH3)6]Cl3 is (at. no. of Co=27]

Question

The effective atomic number (EAN) of central metal atom in [Co(NH3)6]Cl3 is (at. no. of Co=27] (A) 34 (B) 35 (C) 36 (D) 32

Tardigrade Admin · Accepted Answer

EAN = Z -( O ⋅ N ⋅)+2 ×( CN ⋅) [ Z = atomic number, O.N. = Oxidation number, C . N .= Coordination number] =27-3+2 × 6=36

Q. The effective atomic number (EAN) of central metal atom in $[C o (N H_{3})_{6}] C l_{3}$ is (at. no. of $C o = 27$ ]