Provide mechanisms (with arrows) for the formation of Nylon-6,10 and polystyrene from their constituted monomers. What is the role of the aqueous base in the nylon synthesis? What is the role of sulfuric acid in the polystyrene synthesis?
Provide mechanisms (with arrows) for the formation of Nylon-6,10 and polystyrene from their constituted monomers. What...
sms (with arrows) for the formation of Nylon-6,10 and polystyrene from their constituent monomers. What is the role of the aqueous base nomers. What is the role of the aqueous base in the nylon synthesis? What is the role of the sulfuric acid in the polystyrene synthesis
Provide mechanisms (with arrows) for the formation of Nylon-6,10 from hexamethlenediamine and sebacoyl chloride , and polystyrene from 1,2-dichloroethane and sulfuric acid. What is the role of the aqueous base in the nylon synthesis? What is the role of sulfuric acid in the polystyrene synthesis?
Provide a general mechanism (with arrows) for the formation of Bakelite from phenol and formaldehyde (CH2O) in the presence of acid. In what way is this polymer different from nylon and polystyrene? How is it manifested in its physical properties?
5. There is a large decrease in the bulk of the rope of Nylon-6,10 upon drying. Explain this observation. 6. Using full structural formulas, draw a typical portion of a Nylon-6,6 molecule; that is, expand a portion of the formula given in Equation 22.15. Show at least two hexanedioic acid units and two 1,6-hexanediamine units. 7. Draw formulas that illustrate the hydrogen bonding that may exist between two polyamide molecules after fibers have been "cold-drawn." 8. Nylons undergo depolymerization when...
2. Using curved arrows to symbolize the flow of electrons, write the stepwise mechanism for the condensation reaction between decandioyl dichloride and 1,6-hexanediamine. 3. Write an equation for the formation of the salt produced from one molecule of hexanedioic acid and two molecules of 1,6-hexanediamine. 4. Why is sodium carbonate used in the reaction to prepare Nylon-6,10? 5. There is a large decrease in the bulk of the rope of Nylon-6,10 upon drying. Explain this observation. 6. Using full structural...
Provide the elimination mechanism (with arrows) of the formation of cis-2'-bromostyrene from 2,3-dibromo-3-phenylpropanoic acid in the presence of K2CO3 and the solvent acetone. Also provide the mechanism of KMNO4 on a TLC (thin later chromatography) plate and why colour change occurs
For the dehydration shown, use curved arrows to show the formation of the carbocation intermediate in the presence of sulfuric acid H, SO4, then draw the structure of the major product of the elimination. ОН H2SO4 - product Step 1: Use curved arrows to complete the protonation mechanism of the alcohol. Step 2: Use a curved arrow to show the formation the carbocation intermediate. Note: HSOZ is formed from step 1, but not shown. Select Draw Rings More Erase Select...
Provide reaction mechanisms (with arrows) for the following reaction. 101. What is the product of the following reaction sequence: NH2 Br Br i. HCl, NaNO2 ii. CuCN iii. DIBAL-H iv. H20 COOH Br Br Br Br CHO COOH Br Br Br COOH IV A)I
For the dehydration shown, use curved arrows to show the formation of the carbocation intermediate in the presence of sulfuric acid H, SO4, then draw the structure of the major product of the elimination. OH to selectivacain intermediate in the prese H2SO4 - product Step 1: Use curved arrows to complete the protonation mechanism of the alcohol. Step 2: Use a curved arrow to show the formation of the carbocation intermediate. Note: HSO, is formed from step 1, but not...
1) Draw the arrows to show bond formation and breaking for the following mechanisms and complete questions b, c, and d. Marking scheme is also provided. (9 marks total) a) All tails of arrows must start at electrons. The arrows must start in the middle of a sigma bond or at a lone pair (2 marks) Take % mark for each mistake until you reach zero. All heads of arrows must end at an atom. (2 marks) Take X mark...