What type of liquid pesticide formulation dissolves in water to form a true solution?

The correct answer is the water soluble concentrate, as this type of pesticide formulation is designed to dissolve completely in water, resulting in a true solution. In a true solution, the active ingredients are uniformly dispersed at the molecular level, allowing for even distribution when applied. This characteristic ensures that the pesticide can effectively penetrate the target pest or plant, promoting optimal efficacy.

In contrast, a suspension consists of solid particles that are dispersed in a liquid but do not dissolve, which can lead to settling over time and requires agitation before application. An emulsion involves a mixture of two immiscible liquids (such as oil and water) stabilized by an emulsifier, where the active ingredients are not completely dissolved but rather dispersed in tiny droplets. Granules are solid formulations that must be mixed with water or used as is, but they do not dissolve to form a liquid solution. All these characteristics distinguish them from the water soluble concentrate, which is specifically formulated to create a homogenous solution for effective pesticide application.