Question

Consider the following reaction: 2H₂ (g) + O₂ (g) → 2H₂ O(l) Which one of the following statements about the reaction given above is correct?

A The oxidation state of hydrogen increases while that of oxygen decreases.
B The oxidation state of hydrogen decreases while that of oxygen increases.
C There is no change in the oxidation state of hydrogen as well as that of oxygen.
D During the reaction, hydrogen is reduced while oxygen is oxidized.
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