What is the value of the effective atomic num | vedclass

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(D) The formula for the effective atomic number $(EAN)$ is given by: $EAN = Z - 	ext{oxidation state} + 	ext{number of electrons donated by ligands}

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$36$

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(D) The formula for the effective atomic number $(EAN)$ is given by: $EAN = Z - 	ext{oxidation state} + 	ext{number of electrons donated by ligands}$.In the complex $[Co(NH_3)_6]^{3+}$:$1$. The atomic number $(Z)$ of $Co$ is $27$.$2$. Let the oxidation state of $Co$ be $x$. Since $NH_3$ is a neutral ligand,$x + 6(0) = +3$,so $x = +3$.$3$. There are $6$ $NH_3$ ligands,each donating $2$ electrons,so the total number of electrons donated is $6 	imes 2 = 12$.$4$. $EAN = 27 - 3 + 12 = 36$.

What is the value of the effective atomic number $(EAN)$ of cobalt in the $[Co(NH_3)_6]^{3+}$ complex,given that the atomic number of $Co$ is $Z=27$?

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