A) \[{{K}_{2}}{{O}_{2}}\]
B) \[K{{O}_{2}}\]
C) \[{{K}_{2}}O\]
D) \[KOH\]
Correct Answer: B
Solution :
The compound formed upon communion of potassium metal in excess air superoxide. \[K\xrightarrow[{}]{{{O}_{2}}}\underset{Oxide}{\mathop{{{K}_{2}}O}}\,\xrightarrow[{}]{{{O}_{2}}}\underset{Peroxide}{\mathop{{{K}_{2}}{{O}_{2}}}}\,\xrightarrow[{}]{{{O}_{2}}}\underset{Superoxide}{\mathop{K{{O}_{2}}}}\,\]
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