Ionic polymerization involves successive insertion of monomer molecules between an ionic chain end (negative in anionic or positive in cationic polymerization) and a counterion of opposite charge.
Which of the following is an anionic polymerization technique? Culi(CH3)2 BC13-H20 Сао Ph Ph log -GEN
Which polymerization technique (anionic or cationic) would be the best to use for the polymerization of isobutyl vinyl ether?
OCH HO* (2 equiv) ل (CH3)2 Culi + CH3 - MgBr H20 (2 equiv)
need help on polymer chemistry question Determine which polymerization mechanism(s), i.e. radical, anionic, and cationic, can be used for the following monomers. Briefly explain your answer. H2C= CHCEH H2C= C(CH3)2 H3CHC=CHCH
need help on polymer chemistry question Determine which polymerization mechanism(s), i.e. radical, anionic, and cationic, can be used for the following monomers. Briefly explain your answer. H2C= CHCEH H2C= C(CH3)2 H3CHC=CHCH
QUESTION 31 Which monomer would be best for an anionic polymerization? II III IV 11 11 QUESTION 32 Which set of reagents will accomplish the transformation below ? 1. Nah H2 Lindlar's 2. CH,Br 3. NaNH, 1. Nah 2. CH_Br 3. Ha Lindlar's 1. HBr, ROOR 2. (CH),Culi IV 11 HII IV QUESTION 33 Which of the following would have 4 peaks in the 13C NMR spectrum? II III IV 11 IV QUESTION 34 How many resonance structures can be...
show detailed mechanism 21.13 ད་དེས་ PhCH SH Ph 1. CuLi(CH3)2. 2. H+, quench
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)
2. CuCN -CH₃ 1. N(CH3)2 2. Ag2O, H20 3.A Br 1. LiAlH4 Ph NaN 2. H20
Question 33 2 pts Which one of the following molecules is polar? (a) BC13 (b) Bel2 (c) CCIA (d) CHCl3 (e) Br2 Ос ОЕ OB OD ОА
CH3 но SH 1. Name the following thiol using IUPAC nomenclature (5 pts). 2. Name the following organometallic compound according to IUPAC nomenclature (5 pts) CH CH:CHa) CuLi 3. Write the product of the following reaction while carefully considering the underlying mechanism (5 pts) 1. LiAID4, Et20 2. H20 4. Complete the following retrosynthetic scheme and while applying an organometallic reaction (5 pts). CH3 CH H3