Which of the following complex ions has electrons that are symmetrically filled in both ${ }_{2 g}$ and…

Which of the following complex ions has electrons that are symmetrically filled in both ${ }_{2 g}$ and $e_{g}$ orbitals ?
  1. $\left[\mathrm{FeF}_{6}ight]^{3-}$
  2. $\left[\mathrm{Mn}(\mathrm{CN})_{6}ight]^{4}$
  3. $\left[\mathrm{CoF}_{6}ight]^{3-}$
  4. $\left[\mathrm{Co}\left(\mathrm{NH}_{3}ight)_{6}ight]^{2+}$

Solution

$$
\text { Symmetrically filled } \mathrm{t}_{2 \mathrm{~g}} \text { and } \mathrm{e}_{\mathrm{g}} \text { are those, which contain equal distribution of electrons. }
$$
.

Asked in: JEE-TOPICTESTS-CHEMISTRY

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