Question
Calculate effective atomic number of $(Co (NH_3)_6)^{3+}$ ion.
✓
Answer
The oxidation state of Co is $+3$ , and ligands donate $12$ electrons.
$Z=27, X=3, Y=12$
$EAN$ of $Co ^{3+}= Z - X + Y$
$=27-3+(2 x \times 6)$
$=27-3+(12)$
$=36$
$Z=27, X=3, Y=12$
$EAN$ of $Co ^{3+}= Z - X + Y$
$=27-3+(2 x \times 6)$
$=27-3+(12)$
$=36$
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