How do you find oxidation number rules?

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How do you find oxidation number rules?

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Answer 1 · 2017-07-02T12:29:54

That's a good question.....even tho' these rules have been posted on this site by several authors on several occasions.....

Explanation:

But you can conveniently find them here......

$1 .$ $1.$ $The oxidation number of a free element is always 0.$ $"The oxidation number of a free element is always 0."$

$2 .$ $2.$ $The oxidation number of a mono-atomic ion is equal$ $"The oxidation number of a mono-atomic ion is equal"$ $to the charge of the ion.$ $"to the charge of the ion."$

$3 .$ $3.$ $For a given bond, X-Y, the bond is split to give X^{+}$ $"For a given bond, X-Y, the bond is split to give "X^+$ $and$ $"and"$ $Y^{-}$ $Y^-$ , $where Y is more electronegative than X.$ $"where Y is more electronegative than X."$

$4 .$ $4.$ $The oxidation number of H is +1, but it is -1 in when$ $"The oxidation number of H is +1, but it is -1 in when"$ $combined with less electronegative elements.$ $"combined with less electronegative elements."$

$5 .$ $5.$ $The oxidation number of O in its$ $"The oxidation number of O in its"$ compounds $is usually -2, but it is -1 in peroxides.$ $"is usually -2, but it is -1 in peroxides."$

$6 .$ $6.$ $The oxidation number of a Group 1 element$ $"The oxidation number of a Group 1 element"$ $in a compound is +1.$ $"in a compound is +1."$

$7 .$ $7.$ $The oxidation number of a Group 2 element in a compound is +2.$ $"The oxidation number of a Group 2 element in a compound is +2."$

$8 .$ $8.$ $The oxidation number of a Group 17 element in a binary compound is -1.$ $"The oxidation number of a Group 17 element in a binary compound is -1."$

$9 .$ $9.$ $The sum of the oxidation numbers of all of the atoms$ $"The sum of the oxidation numbers of all of the atoms"$ $in a neutral compound is 0.$ $"in a neutral compound is 0."$

$10 .$ $10.$ $The sum of the oxidation numbers in a polyatomic ion$ $"The sum of the oxidation numbers in a polyatomic ion"$ $is equal to the charge of the ion.$ $"is equal to the charge of the ion."$

So what is the oxidation number of $O$ $O$ in $O F_{2}$ $OF_2$ ; and the oxidation number of $I$ $I$ in $I - C l$ $I-Cl$ ?

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How do you find oxidation number rules?

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