how do you figure out the shape from a formula?
ex: [Co(en)2(Br)2]
it is octahedral but why?
shape when given a formula for a complex ion
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Mariah Tumbaga 1e
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Samantha Miceli 3J
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Re: shape when given a formula for a complex ion
Ethylenediamine is bidentate, so it can form two bonds. Because there are two of these and two bromine attached to Cobalt, there are six bonds total. This gives a VSEPR formula of AX6, which is octahedral.
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