alpha hydrogen, or conjugate addition to create the major new product: a. butanoyl chloride + sodium ethanoate CI Nat CM2-CH2- CH2- ë -cl + CH, - C - ̟: b. xs acetone + sodium hydroxide later followed by acid CH3- ĉ-CH3 - C. c. pent-3-en-2-one + sodium hydroxide
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- Taking Ka for acidic acid as 1.8 x 10-5, calculate H3O+ , using the known concentraions of acidic acid and soudium acecate contained in reaction mixtures 1 and 4. Reaction mixture time (s) Acidic acid concentration (mol/L) sodium acetate concentration (mol/L) calculated H3O+ concentration 1 237 0 1 x 10 -5 4 236 1 x 10 -4 1 x 10 -5E. TESTS FOR PHENOLIC COMPOUNDSPhenolic compounds such as phenol, salicylic acid, etc., give characteristiccolors with FeCl3 and Millon’s Reagent.1. Ferric Chloride TestAdd 5 drops of FeCl3 solution to 4 different test tubes containing 1 mL each ofdilute solutions of the following compounds and note the color obtained.a. Phenol _______________________________________________________________b. Salicyclic acid ___________________________________________________________c. Resorcinol _______________________________________________________________d. Picric acid _______________________________________________________________2. Millon’s TestPrepare another set of 4 test tubes containing 1 mL each of the solutions listedbelow. Add 3 drops of Millon’s reagent to each and place all the test tubes in aboiling water bath. Note the color formed.a. Phenol _______________________________________________________________b. Salicylic acid ___________________________________________________________c.…Describe how the product is purified. 4,4'-DIBROMOBIPHENYL [Biphenyl, 4,4'-dibromo-] Submitted by Robert E. Buckles and Norris G. Wheeler1. Checked by R. S. Schreiber, Wm. Bradley Reid, Jr., and Robert W. Jackson. 1. Procedure In a 15-cm. evaporating dish is placed 15.4 g. (0.10 mole) of finely powdered biphenyl (Note 1). The dish is set on a porcelain rack in a 30-cm. desiccator with a 10-cm. evaporating dish under the rack containing 39 g. (12 ml., 0.24 mole) of bromine. The desiccator is closed, but a very small opening is provided for the escape of hydrogen bromide (Note 2). The biphenyl is left in contact with the bromine vapor for 8 hours (or overnight). The orange solid is then removed from the desiccator and allowed to stand in the air under a hood for at least 4 hours (Note 3). At this point, the product weighs about 30 g. and has a melting point in the neighborhood of 152°. The crude 4,4'-dibromobiphenyl is dissolved in 75 ml. of benzene, filtered, and cooled to 15°. The…
- how to analyse alkaloids using Acid dye colorimetry method and HPLC method? Discuss atleast 5 sentences eachcomplete this reaction Fe³= ........agent (from-to) S2O3= .........agrnt (from-to).Results and Discussion: Nitroprusside Reaction: Samples: cysteine, cystine, glycine Reagents: Saturated Sodium Carbonate (Na2CO3) solution, Saturated Sodium Nitroprusside solution, 1.0% sodium cyanide (NaCN) -To 0.5 ml of the sample, add 0. 25 ml of saturated sodium carbonate solution and a drop of freshly prepared saturated solution of sodium nitroprusside (HANDLE WITH CARE). A purple color will develop if free sulfhydryl groups are present. If negative, add 1 drop of 1.0% NaCN. The development of a red color indicated the presence of disulphide bonds.
- The reaction between N-methylaminobenzoic acid and benzenesulfonyl chloride will produce a sulfonamide that is soluble in excess NaOH. TRUE OR FALSEA 0.8065-g sample containing dimethylphthalate (DMP), C6H4(COOCH3)2 (194.19 g/mol), and unreactive species was refluxed with 50.00 mL of 0.1215 M NaOH to hydrolyze the ester groups (this process is called saponification). C6H4(COOCH3)2 + 2OH- ------> C6H4(COO)22- + 2 CH3OH After the reaction was complete, the excess NaOH was back titrated with 24.27 mL of 0.1644 M HCl. Calculate the percentage of dimethylphthalate (DMP) in the sample. Express your answers with 3 decimal places1. What type of reaction explains solubility of phenol in sodium hydroxide? Explain the organic product formed. 2. How do the reactions of phenol samples with FeCl3 compare? Which structural component of the phenols account for the observation
- D.If you have 1 mL of an eluate containing 1 M imidazole and you can use a dialysis cassette in 2 L of buffer with no imidazole, what will the concentration of imidazole be in the cassette after dialysis is complete? Show all work?Base from the illustration: 1. Which compound/s will test positive in Baeyer’s test? 2. Which compound/s will produce an orange precipitate upon reaction with 2,4-DNPH? 3. Which compound/s will test positive in the Iodoform test? 4. Which compound/s will produce a brick-red precipitate upon reaction with Fehling’s reagent (CuSO4, tartrate, NaOH)? 5.What is the balanced equation for the 4-ChIorobenzyI AIcohoI into 4-ChIorobenzoic Acid. Illustrate the haIf reactions then balance it just like how the other redox reactions are balanced.