The hybridisation of Ni centre in [Ni(PPh_3)_ | vedclass

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

Question

(A) The oxidation number of $Ni$ in both $[Ni(PPh_3)_2Cl_2]$ and $[NiCl_4]^{2-}$ is $+2$. The electronic configuration of $Ni(II)$ is $[Ar] 3d^8 4s^0$

Vedclass · Accepted Answer

$dsp^2$ and $sp^3$

Vedclass · Answer

(A) The oxidation number of $Ni$ in both $[Ni(PPh_3)_2Cl_2]$ and $[NiCl_4]^{2-}$ is $+2$. The electronic configuration of $Ni(II)$ is $[Ar] 3d^8 4s^0$.In $[Ni(PPh_3)_2Cl_2]$,$PPh_3$ is a strong field ligand,which forces the electrons in the $3d$ orbital to pair up,leaving one $3d$ orbital vacant. This allows for $dsp^2$ hybridisation,resulting in a square planar geometry.In $[NiCl_4]^{2-}$,$Cl^-$ is a weak field ligand,which does not cause pairing of electrons in the $3d$ orbital. Thus,the $4s$ and $4p$ orbitals are used for $sp^3$ hybridisation,resulting in a tetrahedral geometry.Therefore,the hybridisation of $Ni$ in $[Ni(PPh_3)_2Cl_2]$ and $[NiCl_4]^{2-}$ are $dsp^2$ and $sp^3$ respectively.

$A. sp^3$	$(i). [Co(NH_3)_6]^{3+}$
$B. dsp^2$	$(ii). [Ni(CO)_4]$
$C. sp^3d^2$	$(iii). [Pt(NH_3)_2Cl_2]$
$D. d^2sp^3$	$(iv). [CoF_6]^{3-}$
	$(v). [Fe(CO)_5]$

The hybridisation of $Ni$ centre in $[Ni(PPh_3)_2Cl_2]$ and $[NiCl_4]^{2-}$,respectively are

Similar Questions

Identify from the following species in which $d^2 sp^3$ hybridization is shown by the central atom:

Among $[Co(CN)_4]^{4-}, [Co(CO)_3(NO)], XeF_4, [PCl_4]^{+}, [PdCl_4]^{2-}, [ICl_4]^{-}, [Cu(CN)_4]^{3-}$ and $P_4$,the total number of species with tetrahedral geometry is:

Which of the following is an outer orbital complex? (Atomic numbers: $Mn = 25, Fe = 26, Co = 27, Ni = 28$)

Match the following hybridization in Column $I$ with the corresponding coordination complexes in Column $II$.
$A. sp^3$ $(i). [Co(NH_3)_6]^{3+}$
$B. dsp^2$ $(ii). [Ni(CO)_4]$
$C. sp^3d^2$ $(iii). [Pt(NH_3)_2Cl_2]$
$D. d^2sp^3$ $(iv). [CoF_6]^{3-}$
$(v). [Fe(CO)_5]$

Which of the following has a square planar geometry?
(At. nos.: $Fe=26, Co=27, Ni=28, Pt=78$)

Vedclass Test Series

Exam Paper Generator

Online Exam Module