Respuesta :
Answer:
Hg²⁺
Explanation:
In the given reaction, Hg²⁺ is the oxidizing agent in the reaction.
An oxidizing agent is any specie that undergoes reduction in the course of a reaction. Such specie;
- shows removal of oxygen
- addition of hydrogen
- gain of electrons
- decrease in oxidation number
The reaction Hg²⁺ + Cu → Cu²⁺ + Hg
here Hg, goes from an oxidation state of 2 to 0. This is a decrease
The oxidizing agent in this reaction is Hg^+.
A redox reaction is one in which there is a change in oxidation number of chemical species from left to right in the reaction. The oxidizing agent is the specie that experiences a decrease in oxidation number while the reducing agent is the specie that experiences an increase in oxidation number.
Looking at the reaction; Hg^2+(aq) + Cu(s) → Cu^2+(aq) + Hg(l), the oxidation number of mercury decreased from +2 to zero hence it is the oxidizing agent in this reaction.
Learn more: https://brainly.com/question/13155407