2. How many stereoregular polymers might possibly be obtained from each of the monomers? Explain your...
2. How many stereoregular polymers might possibly be
obtained from each of the monomers? Explain your answers (6
pt)
a) CH2=CH-CH3
b) CH2=C(CH3)-CH=CH2
c) HO-(CH2)6-OH + HO2C-(CH2)4-CO2H
Homework Answers
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2. How many stereoregular polymers might possibly be
obtained from each of the monomers? Explain your...
1-15 Which of the following monomers can conceivably form isotactic polymers? HH (a) CH2-C-C-CH, CH2 -...
1-15 Which of the following monomers can conceivably form isotactic polymers? HH (a) CH2-C-C-CH, CH2 - CH2 (b) CH, Czo NH CH, - CH, CH, (c) CH3 - C=CH2 H H - C=CH, (d) CH - сн. (e) HOCHCH,OH + HO-C- 0-C-OH ? =0
4. Draw segment (can use (-----). type structure of the polymer obtained from each type of the following monomers....
4. Draw segment (can use (-----). type structure of the polymer obtained from each type of the following monomers. In each case, is it the result of a chain growth or a step growth type of polymerization? no answert a. CH=CH2 b. cech ice + IND with to c. ch=H-4H = CH2 CH3 Caneider the nalmer from nropene. In this context, what is meant by the terms a) atactic b)
question 4 please! b. BF3 +H20 d. NaNaphthalene e. H2S04 f. n-CaHgLi Consider the following monomers....
question 4 please!
b. BF3 +H20 d. NaNaphthalene e. H2S04 f. n-CaHgLi Consider the following monomers. Indicate which type or types of addition polymerization (free radical, anionic, or cationic) could be effectively used to polymerize each and briefly explain your answer 4. a. CH2-CHPh b. CH2-C(CH3)2 c. CH2 CHO d. CH2-C(CH3)(COOCH3) e. CH2-CH2 f. CH2-CH(OCH,CHs) 8. CH-CH(CN)
Practice Set-lll CH3 o 1. H3c-C- CHa a HaC, CH3 PY ? H-C-N H Нас + OH T CH2 2. ? CH2 he N(CH3)2 O2N HaC CH3 Phosgen...
Practice Set-lll CH3 o 1. H3c-C- CHa a HaC, CH3 PY ? H-C-N H Нас + OH T CH2 2. ? CH2 he N(CH3)2 O2N HaC CH3 Phosgene, ? (Review a 3. O-CC2 2 CO2H PY ? HaC 4. Нас OH +CH3 NH2 ? H + excess CH30H ? 6. CH(CH2)16 heat b-(CH2)1CH3 heat ? 7. CaHs-C O-CH2 + NH2-OH hydrorylarnine O-
Practice Set-lll CH3 o 1. H3c-C- CHa a HaC, CH3 PY ? H-C-N H Нас + OH T...
(d) Give the structures of the polymers which can be formed from the following monomers. HOOH...
(d) Give the structures of the polymers which can be formed from the following monomers. HOOH + Ho но — он (iii) 4. (a) What is the general structure of an a-amino acid. (6) (b) Give an example of amino acids with (i) Hydrophobic, (ii) Polar (iii) acidic (basic) side chains (look up a reference). Ginecological chalins (cookeo 5. (a) What is the necessary and sufficient condition that a molecule is chiral (optically active)? (b) What is a stereocentre? How...
1. When you compare thermosetting with thermoplastie polymers, which kind do you think is easier to...
1. When you compare thermosetting with thermoplastie polymers, which kind do you think is easier to recycle? Explain. 2. Draw the structural formula of the polymer that would be formed from a) CH2=CHCI b) CF2 = CF2 3. Very pure Poly(dimethyl siloxane) is used in many silicon implants such as ear prosthesis, chin and breast implant, catheter etc. The polymer is formed according to the reaction : CH, CH, n CI- Si-CI - HO-Si-OH - O-SI- 2n H, 0 CH,...
4. Put an asterisk (*) next to each chiral center in the structure of erythronolide B,...
4. Put an asterisk (*) next to each chiral center in the structure of erythronolide B, a metabone precursor to the commercial antibiotic, erythromycin. H3C .CH OH CH3 нс, Toi Erythronolide R Нас Анас OH 5. Determine whether the chirality centers in the following molecules have Rors configuration. (a) H (b) OCH2CH3 (c) OH NO-C-OH HC-CH3 H₃C-C-CH₂OH (a) HOH (b) c) HOCHZ HOCH2 CO2H 6. Are the following molecules chiral or achiral? If they are chiral, put an asterisk next...
(b) How many t bonds in 7. In each case, circle the molecule of the pair...
(b) How many t bonds in 7. In each case, circle the molecule of the pair with the specified property. At the right, give a brief explanation for your choice in terms of intermolecular forces (IMFS). (a) more soluble in water: Explanations: OH (b) higher boiling point: OH HO OH (c) More soluble in CCl NH&CI CH3(CH2).CH3 (d) higher boiling point: (e) higher boiling point: CH3(CH2)4CH3 CHs(CH2),CH3 () higher boiling point:
1. When you compare thermosetting with thermoplastic polymers, which kind do you think is easier to...
1. When you compare thermosetting with thermoplastic polymers, which kind do you think is easier to recycle? Explain. 2. Draw the structural formula of the polymer that would be formed from a) CH2 - CHCI may - b) CF2 = CF2 3. Very pure Poly(dimethyl siloxane) is used in many silicon implants such as car prosthesis, chin and breast implant, catheter etc. The polymer is formed according to the reaction : CH, сн. n C1--- Si-CI - HO-Si-OH- 2n H,...
Student ID What is the major organic product obtained from the following reaction? H2O HO H804...
Student ID What is the major organic product obtained from the following reaction? H2O HO H804 애 ОН b. 2 d. 4 9. What is the major organic product obtained from the following reaction? 1. BHHO 2. H₂O2 NAOH b. c. d 2 3 10. What is the major organic product obtained from the following reaction? 1. Hg(OA), H20 - HO. 2. NaBHA OH b. 2 c. 3 d. 4 Student ID# ame: - 11. What is the major organic...
1-15 Which of the following monomers can conceivably form isotactic polymers? HH (a) CH2-C-C-CH, CH2 - CH2 (b) CH, Czo NH CH, - CH, CH, (c) CH3 - C=CH2 H H - C=CH, (d) CH - сн. (e) HOCHCH,OH + HO-C- 0-C-OH ? =0
4. Draw segment (can use (-----). type structure of the polymer obtained from each type of the following monomers. In each case, is it the result of a chain growth or a step growth type of polymerization? no answert a. CH=CH2 b. cech ice + IND with to c. ch=H-4H = CH2 CH3 Caneider the nalmer from nropene. In this context, what is meant by the terms a) atactic b)
question 4 please!
b. BF3 +H20 d. NaNaphthalene e. H2S04 f. n-CaHgLi Consider the following monomers. Indicate which type or types of addition polymerization (free radical, anionic, or cationic) could be effectively used to polymerize each and briefly explain your answer 4. a. CH2-CHPh b. CH2-C(CH3)2 c. CH2 CHO d. CH2-C(CH3)(COOCH3) e. CH2-CH2 f. CH2-CH(OCH,CHs) 8. CH-CH(CN)
Practice Set-lll CH3 o 1. H3c-C- CHa a HaC, CH3 PY ? H-C-N H Нас + OH T CH2 2. ? CH2 he N(CH3)2 O2N HaC CH3 Phosgene, ? (Review a 3. O-CC2 2 CO2H PY ? HaC 4. Нас OH +CH3 NH2 ? H + excess CH30H ? 6. CH(CH2)16 heat b-(CH2)1CH3 heat ? 7. CaHs-C O-CH2 + NH2-OH hydrorylarnine O-
Practice Set-lll CH3 o 1. H3c-C- CHa a HaC, CH3 PY ? H-C-N H Нас + OH T...
(d) Give the structures of the polymers which can be formed from the following monomers. HOOH + Ho но — он (iii) 4. (a) What is the general structure of an a-amino acid. (6) (b) Give an example of amino acids with (i) Hydrophobic, (ii) Polar (iii) acidic (basic) side chains (look up a reference). Ginecological chalins (cookeo 5. (a) What is the necessary and sufficient condition that a molecule is chiral (optically active)? (b) What is a stereocentre? How...
1. When you compare thermosetting with thermoplastie polymers, which kind do you think is easier to recycle? Explain. 2. Draw the structural formula of the polymer that would be formed from a) CH2=CHCI b) CF2 = CF2 3. Very pure Poly(dimethyl siloxane) is used in many silicon implants such as ear prosthesis, chin and breast implant, catheter etc. The polymer is formed according to the reaction : CH, CH, n CI- Si-CI - HO-Si-OH - O-SI- 2n H, 0 CH,...
4. Put an asterisk (*) next to each chiral center in the structure of erythronolide B, a metabone precursor to the commercial antibiotic, erythromycin. H3C .CH OH CH3 нс, Toi Erythronolide R Нас Анас OH 5. Determine whether the chirality centers in the following molecules have Rors configuration. (a) H (b) OCH2CH3 (c) OH NO-C-OH HC-CH3 H₃C-C-CH₂OH (a) HOH (b) c) HOCHZ HOCH2 CO2H 6. Are the following molecules chiral or achiral? If they are chiral, put an asterisk next...
(b) How many t bonds in 7. In each case, circle the molecule of the pair with the specified property. At the right, give a brief explanation for your choice in terms of intermolecular forces (IMFS). (a) more soluble in water: Explanations: OH (b) higher boiling point: OH HO OH (c) More soluble in CCl NH&CI CH3(CH2).CH3 (d) higher boiling point: (e) higher boiling point: CH3(CH2)4CH3 CHs(CH2),CH3 () higher boiling point:
1. When you compare thermosetting with thermoplastic polymers, which kind do you think is easier to recycle? Explain. 2. Draw the structural formula of the polymer that would be formed from a) CH2 - CHCI may - b) CF2 = CF2 3. Very pure Poly(dimethyl siloxane) is used in many silicon implants such as car prosthesis, chin and breast implant, catheter etc. The polymer is formed according to the reaction : CH, сн. n C1--- Si-CI - HO-Si-OH- 2n H,...
Student ID What is the major organic product obtained from the following reaction? H2O HO H804 애 ОН b. 2 d. 4 9. What is the major organic product obtained from the following reaction? 1. BHHO 2. H₂O2 NAOH b. c. d 2 3 10. What is the major organic product obtained from the following reaction? 1. Hg(OA), H20 - HO. 2. NaBHA OH b. 2 c. 3 d. 4 Student ID# ame: - 11. What is the major organic...
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