Question

$K{O}_2$ (potassium super oxide) is used in oxygen cylinders in space and submarines because it:

• A. Absorbs $C{O}_2$ and increases $O_2$ contents
• B. Eliminates moisture
• C. Produces ozone
• D. All of these

Answer 1

The correct option is A Absorbs $C{O}_2$ and increases $O_2$ contents

$4K{O}_2+2C{O}_2\to 2K_{2}C{O}_3+3O_2.$ It absorbs $C{O}_2$ and releases $O_2$.