Which of the following statements is correct | vedclass

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(B) $1$. The central metal ion is $Mn^{3+}$. The atomic number of $Mn$ is $25$, so the electronic configuration of $Mn^{3+}$ is $[Ar] 3d^4$.$2$. $CN^-

Vedclass · Accepted Answer

It is $d^2sp^3$ hybridised and octahedral.

Vedclass · Answer

(B) $1$. The central metal ion is $Mn^{3+}$. The atomic number of $Mn$ is $25$, so the electronic configuration of $Mn^{3+}$ is $[Ar] 3d^4$.$2$. $CN^-$ is a strong field ligand, which causes pairing of electrons in the $3d$ orbitals.$3$. In $Mn^{3+}$, the $3d^4$ configuration becomes $t_{2g}^4 e_g^0$ after pairing, leaving two $3d$ orbitals vacant.$4$. These two vacant $3d$ orbitals, one $4s$ orbital, and three $4p$ orbitals hybridize to form $d^2sp^3$ hybrid orbitals.$5$. Since the coordination number is $6$, the geometry is octahedral.

Which of the following statements is correct with respect to $[Mn(CN)_6]^{3-}$?

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