-Know the reaction mechanism for all chemistry in this lab (forming the acid chloride, then the amide/anilide/toluidide derivative). -Understand how choosing a derivative and measuring its melting point allows us to narrow down the identity of an unknown carboxylic acid. How do you know which derivative is the best one to make? -Be able to calculate percent and theoretical yields.
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- The initially red color has faded in the course of the reaction. Briefly explain why did the color disappear. BIU - Format1. Why does 1-butanol and cyclohexanol are immiscible whereas 2-methylpropanol and ethylene glycol are miscible? 2. What is the oxidation product of methanol inside the body and why is it harmful? 3. Write your observation based on the acidic properties of each sample Sample Observation 1-butanol 2-butanol 2-methyl-propanolWhat happens when you add sodium bisulfite to acetaldehyde? Will there be a precipitate? If yes, what color is it? Explain.
- A chemist wants to perform a reaction using the reagent below, which can act as a Brønsted-Lowry base. Considering only the reagent's capacity to act as a base, check the boxes of any compounds in the table that the chemist should not use as the solvent for the reaction. Use the ALEKS Data resource to look up useful data. If all of the solvents below are acceptable, please check the box that says "All solvents are acceptable." All solvents are acceptable do not use this solvent proposed solvent (check all that apply) NH3 Na Br reagent = OH Note for advanced students: When answering this question, consider only possible acid-base reactions between the reagent and solvent.In each reaction box, place the best reagent and conditions from the list. 1) CEN 2) 3) 4) 5) Answer Bank NANH, NaBH, acetone CH,CH, MgBr (excess) acetic acid acetate ion CH,OH, H,O* (cat.) LIAIH, (CH,),CHMgBr (excess) CH,MgBr (excess) H,0 H,0*, H,0, heat acetyl chloride1.The reduction of butanoic acid can form butanal and butan-1-ol. The boiling points of these compounds are shown in Table 1 below. Table 1-Boiling points of butanyl- compounds. Boiling Point (°C) Compound butan 1-ol 120 butanal 75 butanoic acid 164 a) Write a balanced chemical equation for this reaction.. Clearly indicate what conditions, catalysts, solvents, or other reagents would be required to perform this reaction. Include state symbols. b) Explain, with reference to intermolecular forces, how the process of distillation could be used to separate butan-1-ol from the other organic compounds in this reaction mixture. c) Describe an experimental procedure for a simple test that can be performed to confirm that the sample of butan-1-ol obtained by distillation does not contain any butanoic acid.
- Could you simply explain how to alter the solubility of organic bases using extraction? How do you alter the solubility of organic acids using extraction?Interpretate the results and identify the type of reaction involved.4. For the following question please consider the four chemicals shown below. Me H2N s, NH2 acetaldehyde Chemical 1 methanamine Chemical 2 S-methyl ethanethioate Chemical 3 ethanamine Chemical 4 Chemical 4 will readily react with two other chemicals above. a. What are those two chemicals? b. Provide a chemical structure of formed products along with a probable mechanism using the arrow formalism. c. At which of the following pH's (out of 1,7,14) do you expect each reaction to occur? Why?
- Suppose you took your two compounds, dissolved them in tertbutyl methyl ether and then added them to a separatory funnel. Now suppose you add in aqueous sodium bicarbonate and vigorusly shake the contents of the separatory funnel. ethanol will be dissolved in tert butyl methyl ether ether and valeric acid will be dissolved in the aqueous sodium bicarbonate layer. Draw the EXACT chemical structure that will exist in each of the layers after shaking with sodium bicarbonate. (Is it neutral or charged?)A. TESTS FOR METHYL ALCOHOL1. Salicylic Acid Test. Methyl alcohol with salicylic acid and concentrated sulfuric acid willgive methyl salicylate or oil of wintergreen, a compound with an odor of peppermint.In a test tube containing 0.2 gm of salicylic acid, add 1 ml. of concentrated sulfuric acid(CAUTION!). Introduce 1 ml. of methanol into the test tube. Result:? To make the odor more pronounced, pour the contents of the tube into a smallbeaker containing 20 ml. of water. What is the reaction called? Write the equation for the reaction of methyl alcohol with salicylic acid.Solubility test of the following carboxylic acid using 10% solution of sodium bicarbonate. Write the reaction and your observations. a. Acetic acid b. Butyric acid c. Stearic acid d. Oleic acid e. Succinic acid f. Benzoic acid I've already posted this question but you answered the first 3 sub-parts only. Please answer the last 3 sub-parts and kindly write the observation in each reaction please.