Macroscale and Microscale Organic Experiments
7th Edition
ISBN: 9781305577190
Author: Kenneth L. Williamson, Katherine M. Masters
Publisher: Brooks Cole
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Diazomethane, CH2N2, is used in the organic chemistry laboratory despite its danger because it produces very high yields and is selective for reaction with carboxylic acids. Write the products of the following reactions.
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- Write an equation for the reaction of chloroacetic acid (Ka=1.5103) with trimethylamine (Kb=5.9105) . Calculate the equilibrium constant for the reaction. If 0.10 M solutions of these two species are mixed, what will be their concentrations at equilibrium?arrow_forwardFormaldehyde, H2C=O, is known to all biologists because of its usefulness as a tissue preservative. When pure, formaldehyde trimerizes to give trioxane, C3H6O3, which, surprisingly enough, has no carbonyl groups. Only one monobromo derivative (C3H5BrO3) of trioxane is possible. Propose a structure for trioxane.arrow_forwardCarboxylic acids are acidic enough to dissolve in both 10% NaOH and NaHCO3. Phenols, ArOH, are weak acids and most phenols will not dissolve in 10% NaHCO3. How would you separate a mixture of a carboxylic acid (RCOOH), an amine (RNH2), a phenol (ArOH) and a hydrocarbon (RH) using chemically active extraction? Draw a flow chart to illustrate your separation. Show each species in the aqueous and organic layers.arrow_forward
- Ansaid and Motrin belong to the group of drugs known as nonsteroidal anti-inflammatory drugs (NSAIDs). Both are only slightly soluble in water, but one is a little more soluble than the other. Which of the drugs has the greater solubility in water?arrow_forwardWrite the chemical equation for a pentanoate ion acting as base when it reacts with hydrochloric acid (HCI). Which is formula of this rule of reaction?arrow_forwardIn the empty box, provide appropriate reagents and reaction conditions necessary to convert Salicylic Acid to Aspirin. HO 2 OH Salicylic Acid OH Aspirinarrow_forward
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- The purity of the aspirin sample is tested with iron (III) chloride. A purple color resulting from iron (III) chloride test indicates the aspirin sample contains some unreacted salicylic acid and the carboxylic acid group in salicylic acid gives a purple color. the structure of aspirin itself contains a phenolic -OH group. O the aspirin sample contains some unreacted salicylic acid and the phenolic -OH group in salicylic acid gives a purple color. the aspirin sample contains some unreacted salicylic acid and the ring structure in salicylic acid gives a purple color.arrow_forwardPart A: Draw the line-angle formula for methyl propanoate Part B: Draw the product of the reaction of ethylmethylamine with water Part C: Draw the product of the neutralization of ethylmethylamine with HBrarrow_forwardThe esterification reaction of 1 mL each of 1-propanol and propanoic acid is catalyzed with 2-3 drops of sulfuric acid, which is then placed in a test tube in a hot-water bath. After 15 or more minutes, ice water was added. Propyl propanoate is formed. Write the complete equation for the reaction and describe the odor or 1-propanol, propanoic acid, and propyl propanoate.arrow_forward
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