Question

Spring 2019 45. pounta) Dichlorodiphenyltrichloroethane (a.ka. DDT) and polychlorinated biphenyla (a.ka. PCBa) are lound in high concentration at the ocean's surface. Since these chlorinated hydrocarbons are hydrophobic, they tend to accumulate in the hydrophobie portions of marine life, such as fat deposits in fish. They have also been found to accumulate in rubber duckies. According to an NPR story "In 1992, a cargo ship container tumbled into the North Pacifie, dumping 28,000 rubber ducks and other bath toya that were headed from China to the U.S. Currents took them, and news reporta said some may have eventually reached Maine and other shores on the Atlantic. As these rubber duckies pick up DDT and PCBs they concentrate the toxins. If the rubber toy is mistakenly eaten by a sea bird. "uch n" an albatross, it can be highly toxic. In the box below, draw a rubber ducky. Make sure you include at least one eye and a beak. 46. Ga points) Give the mechanism (electron flow arrows) and draw the produet for the following Diels-Alder reaction. 14

answer short answer questions 45 and 46

Answer 1

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