Organic Chemistry Module 8 Portage 219 TEST EXAM FINALS QUESTIONS WITH 100% VERIFIED SOLUTIONS

ORGANIC CHEMISTRY MODULE 8 PORTAGE 219 YY YY YY YY YY




TEST EXAM FINALS QUESTIONS WITH 100%
YY YY YY YY YY YY




VERIFIED SOLUTIONS
YY YY




1. Polymer
..ANSWER>>> large molecule made by repetitive linking of smaller units (monomers)
YYY YYY YYY YYY YYY YYY YYY YYY YYY YYY




2. Macromolecule
..ANSWER>>> very large molecule composed of thousands of covalently bond- ed atoms (ex: polymer)
YYY YYY YYY YYY YYY YYY YYY YYY YYY YYY YYY YYY YYY




3. 1. natural YYY YYY (in nature) YYY




2. synthetic (in lab): two ways polymers are made
YYY YYY YYY YYY YYY YYY YYY YYY




4. rubber, carbs YYY




..ANSWER>>> starch YYY YYY & cellulose, proteins, nucleic acids DNA, RNA: natural polymers
YYY YYY YYY YYY YYY YYY YYY YYY




5. nylon, teflon, styrofoam, polyethylene, Dacron,
YYY YYY YYY YYY




YYY ..ANSWER>>> synthetic polymers YYYYYY YYY




6. 1. method of formation
YYY YYY YYY




2. final composition YYY




3. stereochemical orientation YYY




..ANSWER>>> 3 main ways to differentiate polymers YYY YYY YYY YYY YYY YYY




7. 1. chain-growth
YYY




2. step-growth
YYY




..ANSWER>>> Two classifications of Synthetic polymers
YYY YYY YYY YYY YYY




8. addition YYY polymers
..ANSWER>>> chain growth polymers are also know as:
YYY YYY YYY YYY YYY YYY YYY YYY



1 / YYY


13
YYY

, 9. made by addition of one monomer unit to another in a repetitive
YYY YYY YYY YYY YYY YYY YYY YYY YYY YYY YYY YYY pattern

..ANSWER>>>How are chain growth polymers made? YYY YYY YYY YYY YYY




10. chain growth polymerization
YYY YYY




..ANSWER>>> A polymerization involving sequential addition to monomers that are unsaturated (C=C) or
YYYYYY YYY YYY YYY YYY YYY YYY YYY YYY YYY YYY YYY




YYY have some other reactive functional groups (particularly ethylene and derivatives)
YYY YYY YYY YYY YYY YYY YYY YYY YYY




11. 1. interventionYYY




2. consumption of all available monomers
YYY YYY YYY YYY YYY




..ANSWER>>> what 2 things stops chain growth polymerization?
YYYYYY YYY YYY YYY YYY YYY YYY




12. Teflon
..ANSWER>>> chain-growth polymer: YYYYYY YYY




YYY polytetrafluoroethylene monomer: F2C=CF2 YYY YYY




nonstick coating, goretex, electrical insulator, chem-resistant coati
YYY YYY YYY YYY YYY YYY
ng


13. Saran
..ANSWER>>> chain-growth polymer: YYYYYY YYY




YYY polyvinylidenedichloride monomer: YYY




YYY H2C=CCl2
cling-wrap




14. Polypropylene
YYY ..ANSWER>>> chain-growth polymer: YYY YYY




YYY polypropylene monomer: H2C=CHCH3 YYY YYY




carpet fibers, car parts, toys, packaging, houseware
YYY YYY YYY YYY YYY YYY




15. Orlon, Acrilan, Creslan YYY YYY




..ANSWER>>> chain-growth polymer: polyacrylonitrile
YYYYYY YYY YYY




2 / YYY


13
YYY