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Which of the following statements is incorrect? A K 4 ​ [ N i ( C N ) 4 ​ ] and K 2 ​ [ N i ( C N ) 4 ​ ] both have same magnetic moment B K 4 ​ [ N i ( C N ) 4 ​ ] is a diamagnetic while K 4 ​ [ N i ( C l ) 4 ​ ] is paramagnetic C K 4 ​ [ N i ( C N ) 4 ​ ] is diamagnetic while K 2 ​ [ N i ( C N ) 4 ​ ] is tetrahedral D K 4 ​ [ N i ( C l ) 4 ​ ] and K 4 ​ [ N i ( C N ) 4 ​ ] both have same geometrical shapes

Which of the following statements is incorrect?

A

K4[Ni(CN)4] and K2[Ni(CN)4] both have same magnetic moment

B

K4[Ni(CN)4] is a diamagnetic while K4[Ni(Cl)4] is paramagnetic

C

K4[Ni(CN)4] is diamagnetic while K2[Ni(CN)4] is tetrahedral

D

K4[Ni(Cl)4] and K4[Ni(CN)4] both have same geometrical shapes

 

Grade:12th pass

1 Answers

Omveer Singh
askIITians Faculty 52 Points
3 years ago
 

K4[Ni(CN)4]Ni(0),4s23d8, strong field ligand, 0 unpaired electrons, dsp2 & square planer, diamagnetic

 
K2[Ni(CN)4]Ni(II), 4s03d8, strong field ligand, 0 unpaired electrons, dsp2 & square planer, diamagnetic
 
K4[Ni(Cl)4]Ni(0), 4s23d8, weak field ligand, 2 unpaired electrons, sp3 & tetrahedral, paramagnetic.

The statement given in option C is incorrect.

Ans- Option C
 
 

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