What happens during sequestration in relation to metallic ions?

Sequestration involves the process of binding metallic ions, particularly in water treatment and distribution systems, with specific agents that prevent those ions from interacting with other compounds in ways that could lead to problems like precipitation. When metallic ions such as iron are sequestered, they are effectively bound to inorganic compounds, which helps in maintaining their solubility in water. This is crucial because, without sequestration, metallic ions could form insoluble precipitates, leading to issues like clogging of pipes or reducing the quality of water.

In this context, choosing the option that states these ions mix with inorganic compounds to prevent iron precipitation is accurate, as it defines the function of sequestering agents—primarily designed to hold metal ions in a soluble state, thus averting potential precipitation issues. This method helps maintain efficient water quality and distribution, addressing concerns related to metal ion levels in drinking water.