What is EAN of Cu in $\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right]^{2+}$ ?

What is EAN of Cu in $\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right]^{2+}$ ?
  1. 36
  2. 29
  3. 30
  4. 35

Solution

$\begin{aligned} & \mathrm{In}\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right]^{2+} \\ & \mathrm{EAN}=\mathrm{Z}-\mathrm{X}+\mathrm{Y}=29-2+(2 \times 4) \\ & \quad=27+8=35\end{aligned}$

Asked in: MHT CET 2024 (02 May Shift 2)

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