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Final6A - The breakdown you gave us for the final is this...

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The breakdown you gave us for the final is this: 15 questions m.p., sublimation, b.p., separation, etc. 10 chromatography 5 basic terminology (glassware, vocab) 15 IR 15 MS 20 NMR (both C-13 and H-1) 20 Polarimetry, UV, library Vocab, terminology, basic concepts Match the following glassware. 1. Air Condenser 2. Conical Vial 3. Gas Delivery Tube 4. Hickman Still 5. Claisen Adapter 6. Round Bottom Flask 7. Reflux Condenser 8. Magnetic Spin Vane 9. Drying Tube
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10. Craig Tube 11. Büchner Funnel 12. Vigreux Column 13. Separatory Funnel 14. Magnetic Stir Bar 15. Syringe 16. If a solid possesses a sublimation point that is lower than it's melting point, how is it possible to determine the melting point of the compound? a. Increase the temperature rapidly on the melting point apparatus b. Depress the melting point of the substance by adding impurities c. Seal the capillary tube to increase the pressure when heated d. It is not possible to obtain the melting point 17. Condensation involves the phase change of ________ to ________ ? 18. Pure organic molecules possess which of the following? 19. How much does a 3 mL sample weigh if the density is 2.8? 20. If butyl propyl ether is placed in a separatory funnel containing dichloromethane and 3M HCl, in which layer will the organic compound reside? a. ether layer
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b. aqueous acid layer c. top layer d. it forms a precipitate with acid 21. What does the "3M" in 3M HCl describe? 22. If p -aminobenzoate is placed in a separatory funnel containing ether and 3M HCl, in which layer will the organic compound reside? 23. Which of the following would be the best method to separate benzene from toluene? 24. Drying an organic compound involves the removal of _________ ? a. Solid impurities b. Water c. Organic solvents d. Immiscible residues 25. Which of the following would be the fastest method to separate aniline from butyric acid?
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