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Postby JChen_2I » Mon Nov 25, 2019 12:06 am

How do we know when a coordination complex is tetrahedral as opposed to square planar?
Last edited by JChen_2I on Mon Nov 25, 2019 9:26 pm, edited 1 time in total.

Laura WM 3I
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Joined: Wed Sep 18, 2019 12:19 am

Re: Shape

Postby Laura WM 3I » Mon Nov 25, 2019 12:10 am

To figure out molecular shape, you have to use the VSEPR formulas. Ex. a molecule of AX_4 is tetrahedral, while a molecule of AX_4E_2 is square planar.

christabellej 1F
Posts: 109
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Re: Shape

Postby christabellej 1F » Mon Nov 25, 2019 9:03 am

A complex would be tetrahedral if it has four regions of electron density and none of them are lone pairs. A shape would be sure planar if there are six regions of electron density but only four atoms around the central atom (since two of the electron densities are lone pairs).

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