A) \[NaBr+HCl\xrightarrow{{}}NaCl+HBr\]
B) \[HBr+AgN{{O}_{3}}\xrightarrow{{}}AgBr+HN{{O}_{3}}\]
C) \[{{H}_{2}}+B{{r}_{2}}\xrightarrow{{}}2HBr\]
D) \[N{{a}_{2}}O+{{H}_{2}}S{{O}_{4}}\xrightarrow{{}}N{{a}_{2}}S{{O}_{4}}+{{H}_{2}}O\]
Correct Answer: C
Solution :
\[{{\overset{0}{\mathop{H}}\,}_{2}}+\overset{0}{\mathop{B}}\,{{r}_{2}}\xrightarrow[reduction]{oxidation}\overset{+1\,\,\,\,\,-1}{\mathop{2HBr}}\,\]Only this reaction involve oxidation and reduction.
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