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QUIZ #1

QUIZ #1. Question 1. Which of the following is an unsaturated hydrocarbon: Propene Propanol Propane 2-chloro-propane. Question 2. 2. Write the structural formula for : 2,2 dichloropentane 2– bromopentane 1,2 dibromopentane. Question 3. Complete the following:

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QUIZ #1

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  1. QUIZ #1

  2. Question 1 Which of the following is an unsaturated hydrocarbon: • Propene • Propanol • Propane • 2-chloro-propane

  3. Question 2 2. Write the structural formula for : • 2,2 dichloropentane • 2– bromopentane • 1,2 dibromopentane

  4. Question 3 Complete the following: • Addition of hydrogen to ethene results in the formation of . • Addition of a (eg: Cl, Br) to ethene results in the formation of a . • Addition of a hydrogen (eg: HCl) to ethylene also produces . • Addition of (in the presence of an catalyst) to ethylene produces an .

  5. Question 4 Write a balanced chemical equation for the following reactions: • Addition of hydrogen to propene • Addition of chlorine to butene • Addition of hydrogen chloride to propene • Addition of water to ethene

  6. Question 5 Name the following compounds: • CH3CH2CH2CH2OH • CH2Br-CH2Br • CH3-CH2OH • CH2=CHCH2CH2CH3

  7. F F -C – C- F F Question 6 Polytetraflouroethene (teflon) is a hard tough non-flammable polymer. The structure of teflon is shown below: Show the structural formula of the monomer that would be used to make this polymer F

  8. Question 7 Would a thermoplastic or thermosetting plastic be more suitable for the following: • Electrical power switch • Plastic film for wrapping sandwiches • Squeezeable juice container • Knob on a saucepan lid

  9. Question 8 Show the structural formula of: • polyethylene and the monomer from which it is formed. • Poly (vinyl chloride) and the monomer from which it is formed

  10. Question 9 Which of the following are all formed by addition polymerisation: • polyethylene, PVC, nylon • polypropylene, PVC, PET • poly(acrylonitrile), polethylene, polystyrene • polystyrene, PVC, nylon

  11. Question 10 How does the hardness of a polymer change with: • Increased branching of polymer chains • Increased cross linking between chains • Short polymer chain • Weak intermolecular forces between chains • Increased orderly arrangement of polymer chains

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