Oxidation State Guidelines

Oxidation State Guidelines - assigned to make the algebraic...

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Oxidation State Guidelines 1. The oxidation state of any element such as Fe, H 2 , O 2 , P 4 , S 8 is zero (0). 2. The oxidation state of oxygen in its compounds is -2, except for peroxides like H 2 O 2 , and Na 2 O 2 , in which the oxidation state for O is -1. 3. The oxidation state of hydrogen is +1 in its compounds, except for metal hydrides, such as NaH, LiH, etc., in which the oxidation state for H is -1. 4. The oxidation states of other elements are then
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Unformatted text preview: assigned to make the algebraic sum of the oxidation states equal to the net charge on the molecule or ion. 5. The following elements usually have the same oxidation states in their compounds: o +1 for alkali metals - Li, Na, K, Rb, Cs; o +2 for alkaline earth metals - Be, Mg, Ca, Sr, Ba; o-1 for halogens except when they form compounds with oxygen or one another halogen....
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