A) \[Li{{O}_{2}}\]
B) \[N{{a}_{2}}{{O}_{2}}\]
C) \[K{{O}_{2}}\]
D) \[{{K}_{2}}{{O}_{2}}\]
Correct Answer: C
Solution :
\[K{{O}_{2}}\] is used because it not only provides oxygen but also removes\[C{{O}_{2}}\]both of which are important life supporting processes. \[4K{{O}_{2}}+2C{{O}_{2}}\xrightarrow[{}]{{}}2{{K}_{2}}C{{O}_{3}}+3{{O}_{2}}\] \[4K{{O}_{2}}+4C{{O}_{2}}+2{{H}_{2}}O\xrightarrow[{}]{{}}KHC{{O}_{3}}+3{{O}_{2}}\]
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