Which statement is not correct?
[Co(H2NCH2CH2NH2)3]3+[\text{Co}(\text{H}_2\text{NCH}_2\text{CH}_2\text{NH}_2)_3]^{3+}[Co(H2NCH2CH2NH2)3]3+ is octahedral.
[FeCl4]−[\text{FeCl}_4]^{-}[FeCl4]− is square planar.
BF4−\text{BF}_4^{-}BF4− is tetrahedral.
[Cr(H2O)6]3+[\text{Cr}(\text{H}_2\text{O})_6]^{3+}[Cr(H2O)6]3+ is octahedral.