Which chemical reaction falls under the study of electrochemistry?

Zn(s) + Cu^2+(aq) --> Zn^2+(aq) + Cu(s)

Explanation:

Electrochemistry is a branch of Physical Chemistry that studies the reactions in which there is electron transfer (oxirreduction reactions) and their conversion to electrical energy, as well as the opposite process, that is, the conversion of electrical energy into chemical energy. An example of a redox reaction where electron transfer exists is Zn (s) + Cu ^ 2 + (aq) -> Zn ^ 2 + (aq) + Cu (s).

Oxirreduction reactions are those in which there is electron transfer between the chemical species involved. This can be seen by the oxidation number (Nox) of each element, which is the actual electrical charge in the case of monoatomic ions (an atom that has gained or lost electrons), and in the case of molecular compounds or ions. polynucleraris, is the electrical charge it would have if the bond were broken, that is, its tendency to attract electrons.