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Identification of unknown organic compound by melting point essay

Introduction to basic laboratory techniques -- 1. Introduction to microscale laboratory -- 2. Semimicroscale crystallization, Erlenmeyer flask and Hirsch funnel -- 3B.

Microscale crystallization, Craig tube -- 3C. Selecting a solvent to crystallize a substance -- 3D. Mixture melting points -- 3E. Critical thinking application -- 4. Extraction of caffeine -- 4B. Distribution of a solute between two immiscible solvents -- 4C. How do you determine which one is the organic layer? Use of extraction to isolate a neutral compound from a mixture containing an acid or base impurity -- 4E. Critical thinking application -- 5. Thin-layer chromatography -- 5B.

Selecting the correct solvent for thin-layer chromatography -- 5C. Monitoring a reaction with thin-layer chromatography -- 5D. Column chromatography -- 6. Simple and fractional distillation -- 6A. Simple and fractional distillation semimicroscale procedure -- 6B. Simple and fractional distillation microscale procedure -- 7.

Infrared spectroscopy and boiling-point determination -- Essay: Acetylsalicylic acid -- Essay: Isolation of the active ingredient in an analgesic drug -- 505 0 a10 Acetaminophen -- 10A. Acetaminophen microscale procedure -- 10B. Acetaminophen semimicroscale procedure -- Essay: TLC analysis of analgesic drugs -- Essay: Isolation of caffeine from tea or coffee -- 12A.

  • Repeat with a 10;
  • Esters -- 505 0 apt.

Extraction of caffeine from tea with methylene chloride -- 12B. Extraction of caffeine from tea or coffee using solid phase extraction SPE -- Essay: Isopentyl acetate banana oil -- 13A. Isopentyl acetate microscale procedure -- 13B. Isopentyl acetate semimicroscale procedure -- Essay: Oil of cloves microscale procedure -- 14B.

Oil of cloves semimicroscale procedure -- 14C. Extraction of oil of cloves with liquid carbon dioxide, a demonstration -- Essay: Spearmint and caraway oil: Isolation of chlorophyll and carotenoid pigments from spinach -- Essay: Ethanol from sucrose -- 505 0 apt. Introduction to molecular modeling -- Essay: An introduction to molecular modeling -- 18A.

The conformation of n-butane: Cyclohexane chair and boat conformations -- 18C. Substituted cyclohexane rings -- 18D.

Computational chemistry -- 19A. SN1 reaction rates -- 19C. Density-electrostatic potential maps, acidities of caboxylic acids -- 19D. Properties and reactions of organic compounds -- 20. Reactivities of some alkyl halides -- 21. Competitive nucleophiles with 1-butanol or 2-butanol -- 21B.

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Competitive nucleophiles with 2-methyl-2-propanol -- 21C. Hydrolysis of some alkyl chlorides -- 23.

  • Photoreduction of benzophenone -- 51B;
  • The use of organozinc reagents in synthesis;
  • Chiral reduction of ethyl acetoacetate ; optical purity determination -- 33A;
  • Tests for unsaturation -- 54D;
  • Reactivities of some alkyl halides -- 21.

Synthesis of n-butyl bromide and t-pentyl chloride -- 23A. N-butyl bromide semimicroscale procedure -- 23C. Dehydration of 1-butanol and 2-butanol -- 24B.

  1. The laboratory notebook, calculations, and laboratory records -- 3. Nitration of methyl benzoate -- Essay.
  2. I especially liked the part where the blabber gas exploded when heated scaring my partner I think that may be why she broke the thermometer.
  3. Ethanol from sucrose -- 505 0 apt.

Dehydrobromination of 1-bromobutane and 2-bromobutane -- 25. Relative reactivities of several aromatic compounds -- 28. Nitration of methyl benzoate -- Essay: Methyl stearate from methyl oleate -- Essay: Preparation of soap -- 31. Preparation of a detergent -- Essay: Gas-chromatographic analysis of gasolines -- Essay: Chiral reduction of ethyl acetoacetate ; optical purity determination -- 33A.

Chiral reduction of ethyl acetoacetate -- 33B. NMR determination of the optical purity of ethyl S -3-hydroxybutanoate -- 34. Nitration of aromatic compounds using a recyclable catalyst -- 35.

Preparation of benzoin by thiamine catalysis -- 36B.

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Preparation of benzil -- 36C. Preparation of benzilic acid -- 37. Triphenylmethanol and benzoic acid -- 38A. Benzoic acid -- 39. Aqueous-based organozinc reactions -- 40. Determination of optical purity using NMR and a chiral resolving agent -- 41.

The aldol condensation reaction: Preparation of an alphabeta -unsaturated ketone via Michael and aldol condensation reactions -- 43.

Benzyltriphenylphosphonium chloride Wittig salt -- 44B. Preparation of 1,4-diphenyl-1,3-butadiene using sodium ethoxide to generate the ylide -- 44C. Preparation of 1,4-diphenyl-1,3-butadiene using potassium phosphate to generate the ylide - Essay: Methyl salicylate oil of wintergreen -- Essay: Preparation and properties of polymers: Polyamide nylon -- 49C. Infrared spectra of polymer samples -- Essay: Diels-Alder reaction and insecticides -- 50.

The Diels-Alder reaction of cyclopentadiene with maleic anhydride -- 51. Photoreduction of benzophenone and rearrangement of benzpinacol to benzopinacolone -- 51A. Photoreduction of benzophenone -- 51B. Synthesis of beta -benzopinacolone: Analysis of a diet soft drink by HPLC -- 505 0 apt. Identification of organic substances -- 54.

Identification of unknowns -- 54A. Solubility tests -- 54B. Tests for the elements N, S, X -- 54C. Tests for unsaturation -- 54D. Aldehydes and ketones -- 54E. Carboxylic acids -- 54F.

MELTING POINT OF ORGANIC COMPOUNDS

Esters -- 505 0 apt. Project-based experiments -- 55. A separation and purification scheme -- 56. Preparation of a C-4 or C-5 acetate ester -- 57.

Extraction of essential oils from caraway, cinnamon, cloves, cumin, or fennel by steam distillation -- 57A. Isolation of essential oils by steam distillation -- 57B.