Names_______________________________ _______________________________ _______________________________ Date____________________ Analysis of Drugs and Poisons Experiment Applied Chemistry Report Sheet I. Identification of Over-the-Counter Drugs Drug Tested Reaction with Water Color of Universal Indicator and pH Reaction with HCl Reaction with Fe3+ (FeCl3) Aspirin Alka-Seltzer Bicarbonate of Soda Tylenol Tums Unknown A Unknown B Conclusion: Identity of Unknown A _________________________________ Identity of Unknown B _________________________________ II. Identification of Heavy Metal Poisoning Unknown Number: _____ Note both the color and presence of a precipitate. A precipitate is a solid that forms when two solutions are mixed. The solution will become cloudy or you will see pieces of solid floating in the liquid. Example: If it is yellow and cloudy write Yellow PPT Poison Tested Reaction with Potassium Chromate (K2CrO4) Reaction with Potassium Iodide (KI) Lead Pb(C2H3O2)2 Mercury HgCl2 Unknown Conclusion: Identity of Unknown Poison in Liquid _____________________________ Questions 1. Which of the drugs in Part I were acidic? (An acidic substance has a pH less than 7 in solution.) 2. What ion reacts with salicylic acid to form a compound with a purple color? 3. What gas was produced when HCl was added to the bicarbonate of soda? 4. Salicylic acid is a good pain reliever. Why isn’t it used as a common analgesic? 5. What chemical has replaced salicylic acid? 6. What is the most widely used drug in the world? 7. Draw the chemical structure for the chemical found in Tylenol©. 8. What are slightly basic compounds that are used to treat hyperacidity? 9. List three chemicals found in Alka-Seltzer©. 10. From what plant is cocaine obtained? 11. What is ergot? What drug is obtained from it? 12. What is the only “mind-bender” drug that does not contain nitrogen? 13. Write the chemical equation for the reaction between hydrochloric acid and the crystals found at the base of marijuana leaf hairs. The chemical is calcium carbonate and the products include calcium chloride, water, and carbon dioxide. 14. List four products in which lead can be found. 15. What body parts are affected by lead poisoning? 16. Where does mercury concentrate? 17. Lead poisoning produces what amino acid? 18. Mercury poisoning produces what amino acid? 19. What is the fatal dose of mercury?