This page discusses halothane, an anesthetic, and its limited use due to toxicity. It explains substitution reactions in organic compounds, detailing how alkyl halides form from methane and chlorine, ...This page discusses halothane, an anesthetic, and its limited use due to toxicity. It explains substitution reactions in organic compounds, detailing how alkyl halides form from methane and chlorine, and further reactions producing dichloromethane and carbon tetrachloride. The text also covers halogen substitution in benzene and the introduction of alkyl groups, as well as the formation of alcohol from alkyl halides through reactions with bases.