(Answered) Perfluorooctane sulphonate pfos is considered to be a

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Perfluorooctane sulphonate (PFOS) is considered to be a persistent environmental pollutant, with a half life in natural water of approximately 41 years. It is resistant to hydrolysis, photolysis, and aerobic and anaerobic biodegradation. Explain why PFOS is so resistant to these processes.

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