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(A) species responds to an external magnetic field if it is paramagnetic (contains unpaired electrons).$1.$ $[Fe(H_{2}O)_{6}]^{3+}$: $Fe^{3+}$ is $3d^

Vedclass · Accepted Answer

$[Fe(H_{2}O)_{6}]^{3+}$

Vedclass · Answer

(A) species responds to an external magnetic field if it is paramagnetic (contains unpaired electrons).$1.$ $[Fe(H_{2}O)_{6}]^{3+}$: $Fe^{3+}$ is $3d^{5}$. $H_{2}O$ is a weak field ligand,so electrons remain unpaired. It is paramagnetic.$2.$ $[Ni(CO)_{4}]$: $Ni$ is $3d^{8} 4s^{2}$. $CO$ is a strong field ligand,forcing pairing. It is diamagnetic.$3.$ $[Co(CN)_{6}]^{3-}$: $Co^{3+}$ is $3d^{6}$. $CN^{-}$ is a strong field ligand,forcing pairing. It is diamagnetic.$4.$ $[Ni(CN)_{4}]^{2-}$: $Ni^{2+}$ is $3d^{8}$. $CN^{-}$ is a strong field ligand,forcing pairing. It is diamagnetic.Thus,$[Fe(H_{2}O)_{6}]^{3+}$ is the only paramagnetic species.

Which one of the following species responds to an external magnetic field?

Similar Questions

Total number of geometrical isomers of $[Ma_3b_3]$ is/are:

Which of the following is not correctly matched?

Which of the following compound$(s)$ exhibit geometrical isomerism?
$(i) [Pt(en)Cl_2]$
$(ii) [Pt(en)_2]Cl_2$
$(iii) [Pt(en)_2Cl_2]Cl_2$
$(iv) [Pt(NH_3)_2Cl_2]$

The magnetic moment of $[Fe(H_2O)_6]^{3+}$ is $5.92 \ BM$,whereas the magnetic moment of $[Fe(CN)_6]^{3-}$ is $1.74 \ BM$. Explain why.

The pair in which both species have the same magnetic moment (spin-only value) is:

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