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What is the most stable oxidation state of the oxygen atom?

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in Chemistry – Class 12 by (188k points)
What is the most stable oxidation state of the oxygen atom?

(a) +1

(b) -1

(c) -2

(d) +2

I have been asked this question during an interview for a job.

This question is from P-Block Elements in division P-Block Elements of Chemistry – Class 12

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Best answer
Right option is (c) -2

The best I can explain: Oxygen atom is the most stable in its -2 oxidation state. Here, it gains 2e^– to complete its octet and obtain the noble gas configuration of [Ne]. Rarely does oxygen show +1 and -1 oxidation states. The -1 state is displayed in peroxides. E.g. H2O2. It shows +1 in oxygen (I) fluoride, OF2.

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