Coordination Compounds

Identify the correct statements from the following

A. $\left[\mathrm{Fe}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}$ is the most stable complex among $\left[\mathrm{Fe}(\mathrm{OH})_6\right]^{3-},\left[\mathrm{Fe}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}$ and $\left[\mathrm{Fe}(\mathrm{SCN})_6\right]^{3-}$

B. The stability of $\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right]^{2+}$ is greater than that of $\left[\mathrm{Cu}(\mathrm{en})_2\right]^{2+}$

C. The hybridization of Fe in $\mathrm{K}_4\left[\mathrm{Fe}(\mathrm{CN})_6\right]$ is $\mathrm{d}^2 \mathrm{sp}^3$

D. $\left[\mathrm{Fe}\left(\mathrm{NO}_2\right)_3 \mathrm{Cl}_3\right]^{3-}$ exhibits linkage isomerism

E. $ \mathrm{NO}_2^{-}$and $\mathrm{SCN}^{-}$ligands are NOT ambidentate ligands

Choose the correct answer from the options given below :