KcetS Block ElementsKCET 2020MCQ+1 / -02020The oxide of potassium that does not exist isA\(\mathrm{K}_2 \mathrm{O}\)B\(\mathrm{KO}_2\)C\(\mathrm{K}_2 \mathrm{O}_2\)D\(\mathrm{K}_2 \mathrm{O}_3\)Check AnswerClear SelectionReveal AnswerShow Explanation