Amongst [ N i C O ) 4 , [ N i C N ) 4 2 - and [ N i C l 4 ] 2 -

Question

Amongst [ N i C O ) 4 , [ N i C N ) 4 2 - and [ N i C l 4 ] 2 -, [ N i ( C O ) 4 ] and [ N i C l 4 ] 2 - are diamagnetic and [ N i ( C N ) 4 ] 2 - is paramagnetic, [ N i C l 4 ] 2 - and [ N i ( C N ) 4 ] 2 - are diamagnetic and [ N i ( C O ) 4 ] is paramagnetic, [ N i ( C O ) 4 ] and [ N i ( C N ) 4 ] 2 - are diamagnetic and [ N i C l 4 ] 2 - is paramagnetic, [ N i ( C O ) 4 ] is diamagnetic and [ N i C l 4 ] 2 - and [ N i ( C N ) 4 ] 2 - are paramagnetic

MARKS App · Accepted Answer

[ N i ( C O ) 4 ] and [ N i ( C N ) 4 ] 2 - are both diamagnetic as they have no unpaired electrons on central atom Ni while [ N i C l 4 ] 2 - is paramagnetic as Ni atom has two unpaired electrons.

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