A) \[N{{a}_{2}}O\]
B) \[Na\]
C) \[{{H}_{2}}\]
D) \[{{O}_{2}}\]
Correct Answer: D
Solution :
When fluorine reacts with hot and cone.\[NaOH,\]oxygen gas will be evolved. \[4NaOH+2{{F}_{2}}\xrightarrow{{}}4NaF+{{O}_{2}}+2{{H}_{2}}O\]
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