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Organic Chemistry

Cool goIITian

Joined:	9 Oct 2007
Post:	73

18 Oct 2007 11:50:39 IST

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Doubt in coordination

None

WEn do we pair the electrons in orbitals????.......for example [niCN ]2-

we pair and we get dsp2

another [NiCO]2+

we dont pair.........so we get sp3

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Ankur Verma

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Joined: 29 Mar 2007

Posts: 555

18 Oct 2007 12:15:20 IST

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we pair when we have strong field ligand n we don pair when we don have strong field ligand

like CN is a strong field ligand

hope u got it

do rate me if it help u or do tell me to make u more clear if it is not

varsha valli g.

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Joined: 31 Jan 2007

Posts: 515

18 Oct 2007 14:26:57 IST

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but CO is also a strong ligand ,y pairing does not take place here?

i read about this in 1 book which said in front of Ni ,CO acts as a weak ligand .but y is it so?

plz ans soon

!!!!!!!!!!!!!!!!

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