What is the Effective Atomic Number (EAN) of | vedclass

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(D) The formula for $EAN$ is $EAN = Z - X + Y$,where $Z$ is the atomic number of the metal,$X$ is the oxidation state,and $Y$ is the number of electro

Vedclass · Accepted Answer

$35$

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(D) The formula for $EAN$ is $EAN = Z - X + Y$,where $Z$ is the atomic number of the metal,$X$ is the oxidation state,and $Y$ is the number of electrons donated by the ligands.For $[Cu(NH_3)_4]^{2+}$:$Z = 29$ (for $Cu$)$X = +2$ (as $NH_3$ is neutral,$Cu + 4(0) = +2$)$Y = 2 	imes 4 = 8$ (each $NH_3$ donates $2$ electrons)$EAN = 29 - 2 + 8 = 35$.

What is the Effective Atomic Number $(EAN)$ of $Cu$ in $[Cu(NH_3)_4]^{2+}$?

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