question_answer

Which of the following reaction involves oxidation and reduction?

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 :

Only this reaction involves oxidation and reduction.