Oxygen also reacts with transition metals and variety dioxygen complexes with them, such as myoglobin and hemoglobin (oxygen carrying proteins present from the blood). Various considerable organic compounds also comprise oxygen, such as citric acid glycerol, acetic anhydride and acetamide. The most common reaction of oxygen is termed as oxidation. https://demosthenesd714qyh7.wikiusnews.com/user