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Topic: Hybridisation in Fe(CN)2  (Read 7950 times)

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Offline xstrae

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Hybridisation in Fe(CN)2
« on: August 23, 2006, 01:01:29 PM »
Hi,
How do you find the hybridisation in Fe(CN)2? Can someone please explain?
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Offline jennielynn_1980

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Re: Hybridisation in Fe(CN)2
« Reply #1 on: August 23, 2006, 02:08:08 PM »
Try writing out the electron configuration of the elements or making a Lewis dot diagram.

I don't know if that would help but that would be where I would start.  Then you can look at see where it would be most likely to find a hybridization.
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Offline xstrae

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Re: Hybridisation in Fe(CN)2
« Reply #2 on: August 24, 2006, 12:29:11 PM »
yup tried all that. is it d2sp3?
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Offline Mitch

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Re: Hybridisation in Fe(CN)2
« Reply #3 on: August 24, 2006, 04:35:02 PM »
Just treat it as an ionic salt. Fe2+ and CN-
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Offline jennielynn_1980

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Re: Hybridisation in Fe(CN)2
« Reply #4 on: August 24, 2006, 06:16:13 PM »
Quote from: konichiwa2x on August 24, 2006, 12:29:11 PM
yup tried all that. is it d2sp3?

which element is this the configuration for?
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Offline Mitch

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Re: Hybridisation in Fe(CN)2
« Reply #5 on: August 24, 2006, 06:19:48 PM »
The two competing bonding theories are VESPR and MO. Hybridization is VESPR theory and once VESPR needs d-orbitals to explain main group element bonding its far better and more accurate to use MO theory. Thus, I don't know the answer to your question jennielynn, since I will avoid d-orbital hybridization like the plague; especially, when MO theory is much more satisfying in those cases.
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Offline xstrae

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Re: Hybridisation in Fe(CN)2
« Reply #6 on: August 24, 2006, 08:48:28 PM »
Quote
which element is this the configuration for?

Fe but I am not sure if it is correct. As Mitch suggested I treater it as an ionic bond.
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Offline AWK

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Re: Hybridisation in Fe(CN)2
« Reply #7 on: August 25, 2006, 08:18:12 AM »
I think Fe(CN)2 is covalent, not ionic.
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Offline xstrae

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Re: Hybridisation in Fe(CN)2
« Reply #8 on: August 26, 2006, 04:10:50 AM »
Quote
I think Fe(CN)2 is covalent, not ionic
of course, but its easier to determine the hybridisation if you consider it to be ionic.
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