Question

what is significance of effective atomic number​

Answer 1

$\huge\bold\red{ANSWER:-}$

Effective atomic numbers are calculated for the central metal atoms of coordination compounds.

They give information regarding the stability of complexes and also help in understanding if the complex has reducing or oxidising properties.

For eg:

• EAN of Ni in [Ni(CO)4] can be calculated as follows-

28 + 4×2=36

which is equal to the no: of e-s present in krypton,an inert gas. Thus

the complex is highly stable.

• Similarly, EAN of Fe in [Fe(CN)6]^3- can be found out as:

26- 3+ 6×2=35.

Thus the metal can accomodate an e- to get the EAN to be 36. And thus the complex has an oxidising nature.

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