Friday
September 4, 2015

Homework Help: Chemistry

Posted by Jerry on Tuesday, October 5, 2010 at 12:01am.

Oxidation State numbers

For Fe3+ i got 3+ b/c Oxidation state monatomic ion = ionic charge and i got that answer wrong. i am receiving wrong answers for these below aswell.
I used these rules for the following

-Alkali metals are always +1; alkaline earths are always +2.

-Sum of oxidation states is zero for neutral compounds, and equal to the overall charge for polyatomic ionic species

CuCl2= Oxidation states of Cu? Cl2?
CO_2 Cu? O?
MnO_4^2- Mn? O
HSO_4^- H? So

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