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प्रश्न
Which of the following is INCORRECT?
पर्याय
In all its compounds, the oxidation number of fluorine is −1.
An element in the free or the uncombined state bears oxidation number zero.
The algebraic sum of the oxidation numbers of all the atoms in a polyatomic ion is zero.
The oxidation number of hydrogen is either +1 or −1.
MCQ
उत्तर
The algebraic sum of the oxidation numbers of all the atoms in a polyatomic ion is zero.
Explanation:
The algebraic sum of the oxidation numbers of all the atoms in a polyatomic ion is equal to the net charge of the ion.
shaalaa.com
Oxidation Number
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