Respuesta :
Answer: Option (d) is the correct answer.
Explanation:
An oxidizing agent is a specie which accepts electrons and gets reduced in a chemical reaction.
In the given reaction, [tex]2Al + 3Br_{2} \rightarrow 2AlBr_{3}[/tex]
Oxidation state of Al changes from 0 to +3, therefore, it is reducing agent. Whereas oxidation state of Br is changing from -2 to -3 this means Br is gaining electrons, therefore, it is an oxidizing agent.
Thus, we can conclude that the statement [tex]Br_{2}[/tex] is the oxidizing agent because its oxidation number decreases.