What is Effective Atomic Number (EAN) Rule ? ( Chemistry Online Guru )

Описание к видео What is Effective Atomic Number (EAN) Rule ? ( Chemistry Online Guru )

The total number of electrons linked with central metal atom or ion in a complex plus the electrons donated by the ligand is known as effective Atomic Number.

Sidgwick suggested that the central atom or ion will accept electron pairs from ligands till the EAN of the metal equalize itself with the atomic number of the nearest noble gas.

EAN= Z – x + 2nL

Z= Atomic number of the metal in the complex

x = Oxidation state of the metal in complex

n= Number of the ligands

L = Number of co-ordinate bonds formed by ligand

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