what is oxidation no. of fe in FeC2O4
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In an electrically neutral compound, the sum of the oxidation numbers always equals zero, and in an ion it always equals to the charge of that ion.
So,
The oxidation state of oxygen is -2 except for a few exemptions
The oxidation state of carbon can vary, since we know that the charge on the dichromate ion is -2. We have four oxygen atoms in a dichromate ion so 4 X -2 = -8. Therefore, if the charge of the ion is -2, then the oxidation sate of the carbon = +6 for the two carbons so the oxidation sate of the carbon is +3
Therefore since the charge on the dichromate ion is -2 and the ratio of the dichromate to the iron is 1:1, the charge on the Fe is +2
This compound is called iron(II)dichromate or ferrous dichromate, a salt
So,
The oxidation state of oxygen is -2 except for a few exemptions
The oxidation state of carbon can vary, since we know that the charge on the dichromate ion is -2. We have four oxygen atoms in a dichromate ion so 4 X -2 = -8. Therefore, if the charge of the ion is -2, then the oxidation sate of the carbon = +6 for the two carbons so the oxidation sate of the carbon is +3
Therefore since the charge on the dichromate ion is -2 and the ratio of the dichromate to the iron is 1:1, the charge on the Fe is +2
This compound is called iron(II)dichromate or ferrous dichromate, a salt
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Answer:
In this compound, carbon is in +3 oxidation state and Fe is in +2 oxidation state
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