According to V.B.T.,in which of the following | vedclass

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(A) In the complex $[Fe(H_2O)_5(NO)]^{2+}$,the $NO$ ligand acts as $NO^+$. The oxidation state of $Fe$ is $+1$. The electronic configuration of $Fe^+$

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$[Fe(H_2O)_5(NO)]^{2+}$

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(A) In the complex $[Fe(H_2O)_5(NO)]^{2+}$,the $NO$ ligand acts as $NO^+$. The oxidation state of $Fe$ is $+1$. The electronic configuration of $Fe^+$ is $[Ar] 3d^6 4s^1$. Due to the strong field of $NO^+$,the electron from the $4s$ orbital is promoted to the $3d$ orbital to facilitate $d^2sp^3$ hybridization. This involves the transition of an electron from the $4s$ shell to the $3d$ shell of the central metal atom.

According to $V.B.T.$,in which of the following complexes does the transition of an electron occur from one shell to another shell of the central metal atom?

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