Which of the following is the best description of a redox reaction? a) a reaction in which two new products are created b) a reaction that results in the release of heat or light c) a reaction in which the exchange of electrons (oxygen) occurs d) a reaction in which a precipitate forms as a product

c) a reaction in which the exchange of electrons (oxygen) occurs

Explanation:

a) a reaction in which two new products are created from a single raectant is a decomposition reaction

b) a reaction that results in the release of heat or light : is a exothermic reaction

c) Oxidation-reduction reaction or redox reaction is defined as the reaction in which oxidation and reduction reactions occur simultaneously.Oxidation reaction is defined as the reaction in which a substance looses its electrons. Reduction reaction is defined as the reaction in which a substance gains electrons. The oxidation state of the substance gets reduced.

d) a reaction in which a precipitate forms as a product: is a precipitation reaction

4d^55s^1 ( third choice)