PCDDs are produced in small concentrations during the combustion of chlorinated

Question

PCDDs are produced in small concentrations during the combustion of chlorinated organic compounds, e.g. municipal waste incinerators buring Saran wrap which is polyvinylidene chloride. They are highly resistant to degradation, bioaccumulate, and are knwon tertogens, mutagens, and carcinogens.

Using linear free energy relationships, predict the saturated aqueous solubility (Cw SAT) for the follwoing chlorinated benzo-p-dioxins:

Compound

Dibenzo-p-dioxin: MW(grams/mole)=184.19 Cw SAT=?

2,7-dichloro-DD or DCDD: MW=253.08084; Cw SAT=?

1,2,3,4-tetrachloro-DD or TCDD: MW=321.97096; Cw SAT=?

Explanation / Answer

Cw SAT=0.901 g/L (25

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