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CBSE Class 11-science Answered

Give the oxidation number of all elements in CH3COOH? In my book the oxidation number of oxygen in this compound is -1? How
Asked by govtsecschoolnayaganv051 | 06 Aug, 2018, 06:11: PM
answered-by-expert Expert Answer
rULES FOR ASSIGNING OXIDATION NUMBERS
1. A free element has zero oxidation number
2. Oxygen always has oxidation number -2, except peroxide (H2O2) where it is -1 and with fluorine like OF2 it is +2.
3. When hydrogen is combined with a non-metal then its oxidation number is +1, but in case of metals, its oxidation number is -1.
4. The algebraic sum of oxidation numbers of elements in a compound is zero.
 
Answered by Ramandeep | 07 Aug, 2018, 11:11: AM
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