Which statement correctly describes a halocarbon agent?

• A. Contains metals as primary components.
• B. Contains hydrogen as a primary component.
• C. Contains as primary components one or more organic compounds containing fluorine, chlorine, bromine, or iodine.
• D. Is an inert gas.

Answer: (C)

Halocarbon agents are clean extinguishing agents whose main components are organic compounds that include halogen atoms—fluorine, chlorine, bromine, or iodine. This halogen content defines their fire-suppressing behavior, allowing them to absorb heat and interfere with flame chemistry without leaving corrosive residues. That makes the statement describing halocarbons as containing one or more organic compounds with halogens the best description. The other ideas don’t fit: metals as primary components describe a different type of agent, hydrogen as the main component isn’t what defines halocarbons, and an inert gas is a separate category used for displacement rather than halogen-based suppression.