17.31 d

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17.31 d

Postby CaminaB_1D » Sat Dec 08, 2018 2:01 am

Can someone walk me through how to get the formula of sodium bisoxalato(diaqua)ferrate(III)?

Sean Reyes 1J
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Re: 17.31 d

Postby Sean Reyes 1J » Sat Dec 08, 2018 9:01 am

Sodium bisoxalato(diaqua)ferrate(III)
The answer is Na[Fe(OH2)2(C2O4)2]
From this, you know that sodium will be acting as a cation and the coordination compound would have a negative charge (hence the suffix -ate).
Ferrate is related to the element iron, which is why Fe is written. Iron also has a charge of +3 in this example, but that doesn't really matter here since it already tells you the charge of iron (III)
Bisoxalato means that there are two oxalate ligands (oxalate is bidentate, which is why it's written as bis- and not di-).
Diaqua is in the coordination sphere, so it would be written as OH2 because this shows how the water molecule would bond to the iron atom.

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