(1) The reaction of some chlorinated solvents (e.g, methy!chloroform,111 trichloroethane) with ultra violet radiation emitted from arc welding processes may form __ gas. butadiene phosgene propane chest

The correct answer is phosgene.<br /><br />When chlorinated solvents such as methyl chloroform or trichloroethane are exposed to ultraviolet (UV) radiation, such as that emitted during arc welding processes, they can undergo a series of chemical reactions. One of the potential products of these reactions is phosgene gas.<br /><br />Phosgene is a toxic gas with the chemical formula COCl2. It was historically used as a chemical warfare agent during World War I and is known for its ability to cause severe respiratory issues and other health problems upon inhalation.<br /><br />The formation of phosgene in this context occurs when the UV radiation breaks the carbon-chlorine bonds in the chlorinated solvents, leading to the release of chlorine atoms. These chlorine atoms can then react with carbon monoxide (CO) present in the environment to form phosgene gas.<br /><br />It is important to note that the formation of phosgene in this manner is not a common occurrence and typically requires specific conditions and concentrations of the chlorinated solvents and UV radiation. Proper safety measures and ventilation should be in place when working with chlorinated solvents and UV radiation to minimize any potential risks.