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Combination Reaction

Which of the ...

Question

Which of the following reaction(s) is/are correct regarding $K O_{2}$ ?

2 K O_{2} + 2 H_{2} O \to 2 K O H + H_{2} O_{2} + O_{2}

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2 K O_{2} + C O \to K_{2} C O_{3} + O_{2}

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4 K O_{2} + 2 C O_{2} \to 2 K_{2} C O_{3} + 3 O_{2}

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2 K O_{2} + S \to K_{2} S O_{4}

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Solution

The correct option is D $2 K O_{2} + S \to K_{2} S O_{4}$
$K O_{2}$ is prepared by burning potassium in excess of oxygen free from moisture.
$K + O_{2} \to K O_{2}$
All the reactions given in options are correct regarding $K O_{2}$ .

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