Pick out the correct statement with respect to $[\text{Mn}(\text{CN}{)}_6{]}^{3-}$:

1. In $[\text{Mn}(\text{CN}{)}_6{]}^{3-}$, $\text{Mn}$ is in $+3$ oxidation state ($d^4$).2. ${\text{CN}}^{-}$ is a strong field ligand, causing pairing of electrons.3. The configuration becomes $t_{2g}^4{e}_g^0$.4. Two $3d$ orbitals, one $4s$, and three $4p$ orbitals hybridize to form $d^{2}s{p}^3$ hybrid orbitals.5. The geometry is octahedral.