Which complex among the following has the hig | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) To determine the spin only magnetic moment,we calculate the number of unpaired electrons $(n)$ in each complex:$1$. $[Fe(CN)_6]^{3-}$: $Fe^{3+}$ i

Vedclass · Accepted Answer

$[NiCl_4]^{2-}$

Vedclass · Answer

(D) To determine the spin only magnetic moment,we calculate the number of unpaired electrons $(n)$ in each complex:$1$. $[Fe(CN)_6]^{3-}$: $Fe^{3+}$ is $3d^5$. $CN^-$ is a strong field ligand,causing pairing. Configuration: $t_{2g}^5, e_g^0$. Unpaired electrons $(n)$ = $1$.$2$. $[Fe(CN)_6]^{4-}$: $Fe^{2+}$ is $3d^6$. $CN^-$ is a strong field ligand. Configuration: $t_{2g}^6, e_g^0$. Unpaired electrons $(n)$ = $0$.$3$. $[Ni(CN)_4]^{2-}$: $Ni^{2+}$ is $3d^8$. $CN^-$ is a strong field ligand,forcing pairing to form $dsp^2$ hybridisation. Unpaired electrons $(n)$ = $0$.$4$. $[NiCl_4]^{2-}$: $Ni^{2+}$ is $3d^8$. $Cl^-$ is a weak field ligand,no pairing occurs. Configuration: $3d^8$ with $sp^3$ hybridisation. Unpaired electrons $(n)$ = $2$.Since magnetic moment $\mu = \sqrt{n(n+2)} \ BM$,the complex with the highest number of unpaired electrons $(n=2)$ has the highest magnetic moment.Therefore,$[NiCl_4]^{2-}$ has the highest value.

Which complex among the following has the highest value of spin only magnetic moment?
$[Fe(CN)_6]^{3-}, [Fe(CN)_6]^{4-}, [Ni(CN)_4]^{2-}, [NiCl_4]^{2-}$

Similar Questions

Which of the following statements is incorrect?

The pair of metal ions that can give a spin-only magnetic moment of $3.9 \, BM$ for the complex $[M(H_2O)_6]Cl_2$ is

Select the correct code regarding the total number of stereoisomers for the following compounds:
$I. [Ma_3b_2c]^{n \pm}, II. [M(AB)_3]^{n \pm}, III. [Ma_2b_2c_2]^{n \pm}$
$I - II - III$

Which of the following complexes is an example of the $MA_2BC$ type of stereoisomers?

In an octahedral complex of the type $Ma_3b_3$,where $M$ is a metal ion and $a$ and $b$ are two different types of ligands,what are the two possible geometric isomers?

Vedclass Test Series

Exam Paper Generator

Online Exam Module

Which complex among the following has the highest value of spin only magnetic moment?$[Fe(CN)_6]^{3-}, [Fe(CN)_6]^{4-}, [Ni(CN)_4]^{2-}, [NiCl_4]^{2-}$