2. a. Draw the structure of DDT and its metabolite DDE, and state what the initials stand for.b. Explain why DDT is an insecticide and DDE is not.c. What is effect of DDE on the ecosystem?

Step 1:a) Structure of DDT (dichlorodiphenyltrichloroethane) Step 2:Structure of DDE…

Answered: 2. a. Draw the structure of DDT and its…

Chemistry In Focus

6th Edition

ISBN:9781305084476

Author:Tro, Nivaldo J., Neu, Don.

Publisher:Tro, Nivaldo J., Neu, Don.

Chapter18: The Chemistry Of Food

Section: Chapter Questions

Problem 50E

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Comparing the NFPA diamonds for the three chemicals, which statement is true? A. 1,2-dichloroethane is considered a higher health hazard than the other two. B. Diethylene glycol is a higher fire risk than the other two C. Methanol is less stable than 1,2-dichloroethane & diethylene glycol. D. All three are classified as special hazards.
If a cow is pastured in an area that has been treated with pesticides such as DDT, these compounds can be detected in milk. In which of the three main milk components would you expect the DDT to be found? (Hint: think about the structure and polarity of the components of the milk, the structure and polarity of what we used to dissolve the various components of milk, and the structure and polarity of the pesticide compound, DDT)
44. Long-term use of high doses of ascorbic acid can cause…. A. increased ROS in the bodyB. kidney damageC. permanent damage to the skinD. safe to use 45. Quality control of cosmetic preparations can be achieved in the following ways, except…. A. Provide supervision of microbiological contaminationB. Control of product raw materialsC. Changing the origin of raw materials periodically every productionD. Provide training to production operators
What is an insecticide?
The following are classes of toxic chemicals except. a. carcinogens b. irritant chemicals c. respiratory fibrogens d. pyrophoric chemicals e. all of the above are toxic chemicals
MULTIPLE CHOICE Question 9 Which of the following statements best describes why DDT is classified as a persistent or- ganic pollutant, or POP? A DDT is a pesticide that has only the desired effect on targeted species of plants. B. DDT is a pesticide that has no impact on surrounding aquatic environments. C. DDT is a pesticide that must be reapplied year after year for effectiveness. D. DDT is a pesticide that remains active in the environment for several years after use.
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2. a. Draw the structure of DDT and its metabolite DDE, and state what the initials stand for. b. Explain why DDT is an insecticide and DDE is not. c. What is effect of DDE on the ecosystem?