When ethyne is heated with mercuric sulphate and dilute H2SO4 at 333 K, the product obtained is Acetone Acetic anhydride Acetaldehyde Formic acid
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- Acetylene is a very weak acid; however, it will react with moist silver(I) oxide and form water and a compound composed of silver and carbon. Addition of a solution of HCl to a 0.2352-g sample of the compound of silver and carbon produced acetylene and 0.2822 g of AgCl. (a) What is the empirical formula of the compound of silver and carbon? (b) The production of acetylene on addition of HCl to the compound of silver and carbon suggests that the carbon is present as the acetylide ion, C22-. Write the formula of the compound showing the acetyl ide ion.The polyurethane foam used for home insulation uses methane-diphenyldiisocyanate (MDI) as monomer. The MDI is prepared by acid-catalyzed reaction of aniline with formaldehyde, followed by treatment with phosgene, COCl2. Propose mechanisms for both steps.Acid-catalyzed hydrolysis of a nitrile to give a carboxylic acid occurs by initial protonation of the nitrogen atom, followed by nucleophilic addition of water. Review the mechanism of base-catalyzed nitrile hydrolysis in Section 20-7 and then predict the products for each reaction below and write all of the steps involved in the acid-catalyzed reaction, using curved arrows to represent electron flow in each step.
- mple. B-bromopyridine undergoes efficient exchange with n-b basic tetrahydrofuran as solvent, and at this temperature, the alk ly addition to the ring occurs, although the exchange can be c as typi peratures.9 what mecaniss mm Br n-Buli PHCN Et,0, -78 °C then aq HCI Ph 61% N. n also be prepared from bromo-pyridines at 0 °C via exchang TMSCH,Li) and lithium dimethylaminoethoxide (LIDMAE) react selectively a C-2) and from chla Metal-halogen exchange with 2,5-dibrome d 2,3-dibromopyridine uiuo metallation, 102 Ilurtrates its trapping wData: Nitration of methyl benzoate: Weight of filler paper: 0.682g Mp product: 76-77 C Nitration of Acetanilide: Weight of filler paper: 0.691g Weight of filler paper product: 1.232g Mp product: 212-214 C Compound MM (g/mol) ortho mp (oC) meta mp (oC) para mp (oC) Nitroacetanilide 180.16 94 155 214-217 Methyl nitrobenzoate 181.15 -13 78-80 94-96 Draw all the resonance forms for the arenium ion formed during the nitration of acetanilide.Data: Nitration of methyl benzoate: Weight of filler paper: 0.682g Mp product: 76-77 C Nitration of Acetanilide: Weight of filler paper: 0.691g Weight of filler paper product: 1.232g Mp product: 212-214 C Compound MM (g/mol) ortho mp (oC) meta mp (oC) para mp (oC) Nitroacetanilide 180.16 94 155 214-217 Methyl nitrobenzoate 181.15 -13 78-80 94-96 Based on the table above , determine the regiochemistry of your nitroacetanilide and draw the structure. Draw all the resonance forms for the arenium ion (cation intermediate) formed during the nitration of methyl benzoate.
- Using Starting Paracetmol E Asprin gespectivety. phenol £ Acetic anhydoide as a materia', how pri' you Symlimaiseالتاريخ You need to prefare 1.5Lof 2s WW Solution of adurg, howmuch active ingredient is cequired?Which of the following reaction scheme is expected to atford the tollowing product? HO ОН O The following scheme: 1. Mg, Et,0 Br 2. H H. 3. H;O* O The following scheme: 1. Mg. Et.O HO Br H. H30* O The following scheme: 1. TBS-CI, imid., CH CI, HO Br 2 Mg. Et,0 3. H. 4 H30* 5 Bu N*F THF O The following scheme: 1. Mg. Et,O Br 2. 3. H3O* O The following scheme: 1 BrMg 2 H;0 astime
- compound With chemical formol a CyH10 0 Results of chemical te st for c4 Hio O chemical Test molisch obseruations ninny drin 2,4 -DNP hot acidic kMn Oy turbid coloriess sol'n cle ar pale-yellow solin | clear orange -yellow solution lear porple sol oti on clear pare - yellow soln lodoform 1. answer paitive in chemi cal reaction weather (+) E) - regatiue wnat is the function al CyHioO? what is the probable structure 0f line bond 2. group [lass of Cattio 0? Draw Osing and tewis stwitureAspirin can be synthesized from salicylic acid and acetic anhydride in the presence of catalytic H,SO, catalytie H90, d183 gimi. (0.05 mol) according to the reaction saieylie acid CHO MW-13812 amal acetyi chleride CHO. M 100 0 d d1.08 gim anpirie CO, MW 180.1s gmel shown. If 1.0 mol of salicylic acid and 3.0 A) H,SO, mol of acetic anhydride react, which B) salicylic acid is considered the limiting reactant? C) acetic anhydrided-Glucuronic acid is found widely in plants and animals. One of its functions is to detoxify poisonous HO-containing compoundsby reacting with them in the liver to form glucuronides. Glucuronides are water soluble and therefore readily excreted. Afteringestion of a poison such as turpentine or phenol, the glucuronides of these compounds are found in the urine. Draw thestructure of the a- and b-glucuronides formed by the reaction of b-d-glucuronic acid and phenol.