MCQ
Incorrect order of ionic size is
- ✓$La^{3+} > Gd^{3+} > Eu^{3+} > Lu^{3+}$
- B$V^{2+} > V^{3+} > V^{4+} > V^{5+}$
- C$Tl^+ > In^+ > Sn^{2+} > Sb^{3+}$
- D$K^+ > Sc^{3+} > V^{5+} > Mn^{7+}$
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Statement I : $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$ is a homoleptic complex whereas $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}$is a heteroleptic complex.
Statement II : Complex $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$ has only one kind of ligands but $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}$has more than one kind of ligands.
In the light of the above statements, choose the correct answer from the options given below.