What is the effective atomic number (EAN) of | vedclass

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Question

(B) The effective atomic number $(EAN)$ is calculated using the formula: $EAN = Z - X + Y$,where:$Z$ = atomic number of the metal = $78$$X$ = number o

Vedclass · Accepted Answer

$84$

Vedclass · Answer

(B) The effective atomic number $(EAN)$ is calculated using the formula: $EAN = Z - X + Y$,where:$Z$ = atomic number of the metal = $78$$X$ = number of electrons lost by the metal to form the ion = $2$ (since the oxidation state of $Pt$ in $[Pt(NH_3)_4]^{2+}$ is $+2$)$Y$ = number of electrons donated by the ligands = $4 	imes 2 = 8$ (since there are $4$ $NH_3$ ligands,each donating $2$ electrons)$EAN = 78 - 2 + 8 = 84$

What is the effective atomic number $(EAN)$ of $Pt$ in $[Pt(NH_3)_4]^{2+}$? (Given atomic number of $Pt = 78$)

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