A) \[CaO\]
B) \[K{{O}_{2}}\]
C) \[Li{{O}_{2}}\]
D) \[N{{a}_{2}}{{O}_{2}}\]
Correct Answer: B
Solution :
: \[\underset{\begin{smallmatrix} Potassium \\ \sup eroxide \end{smallmatrix}}{\mathop{2K{{O}_{2}}}}\,+2{{H}_{2}}O\to 2KOH+{{H}_{2}}{{O}_{2}}+{{O}_{2}}\uparrow \]
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