The effective atomic number of cobalt in the complex [Co(NH3)6]3+ is

Question

The effective atomic number of cobalt in the complex [Co(NH3)6]3+ is (A) 36 (B) 24 (C) 33 (D) 30

Tardigrade Admin · Accepted Answer

EAN = at. no. of central atom - oxidation state +2 (number of ligands) = 27 -3 + 2(6) = 27 -3 +12 = 36

Q. The effective atomic number of cobalt in the complex $[C o (N H_{3})_{6}]^{3 +}$ is