Question

$KO_{2}$ is used in oxygen cylinders in space and submarine because it:

• A. eliminates moisture
• B. absorbs $C{{O}_{2}}$
• C. produces ozone
• D. none of the above

Answer 1

Answer: (B)

absorbs $C{{O}_{2}}$

Answer 2

Potassium superoxide $\left( KO _{2}\right)$ is used in submarine and space because it absorbs $CO _{2}$ and" liberates $O _{2}$ $2 KO _{2}+2 CO _{2} \longrightarrow 2 K _{2} CO _{3}+ O _{2}$