A) \[{{F}_{2}}+\]hot and cone.\[NaOH\]solution
B) \[{{F}_{2}}+\]water
C) \[C{{l}_{2}}+NaOH\] solution (cold, dilute)
D) \[CaOC{{l}_{2}}+{{H}_{2}}S{{O}_{4}}\](dilute, small amount)
Correct Answer: C
Solution :
\[C{{l}_{2}}+2NaOH(cold)\xrightarrow[{}]{{}}NaCl+\underset{\begin{smallmatrix} \,\,\,\,\,sodium \\ hypochlorite \end{smallmatrix}}{\mathop{NaClO}}\,+{{H}_{2}}O\] It is clear, oxygen is not obtained in this reaction.
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