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MHT CET · Chemistry · Coordination Compounds

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

  1. A 32
  2. B 28
  3. C 30
  4. D 36
Verified Solution

Answer & Solution

Correct Answer

(D) 36

Step-by-step Solution

Detailed explanation

\(\mathrm{Z}=30, \mathrm{X}=2, \mathrm{Y}=8\)
EAN of \(\mathrm{Zn}^{2+}=\mathrm{Z}-\mathrm{X}+\mathrm{Y}=30-2+8=36\)
\((\mathrm{Z}=\) atomic number of metal, \(\mathrm{X}=\) charge on metal, \(Y=\) electrons donated by ligand.)