Question

Which of the following reactions involves oxidation-reduction.

• A. $NaBr + HCl \rightarrow NaCl + HBr$
• B. $HBr + AgNO_{3} \rightarrow AgBr + HNO_{3}$
• C. $H_{2} + Br_{2} \rightarrow 2HBr$
• D. $2NaOH + H_{2}SO_{4} \rightarrow Na_{2}SO_{4} + 2H_{2}O$

Answer 1

Answer: (C)

$H_{2} + Br_{2} \rightarrow 2HBr$

Answer 2