Olefin Oligomerization Quiz
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Olefin Oligomerization Quiz

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@FragrantPixie

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Questions and Answers

What type of catalysts are commonly used in the isomerization process?

  • Solid catalysts such as zeolites and alumina
  • Liquid catalysts like triflic acid
  • Strong solid acids like sulfated zirconia
  • Dual-function catalysts activated by chlorides (correct)
  • What intermediates are formed during the alkylation process using liquid triflic acid?

  • Hydrocarbon mixtures with low octane numbers
  • Isopropyl, sec-butyl, 2-pentyl, and 3-pentyl esters of triflic acid (correct)
  • Sulfated zirconia and SbF5/sulfonic acid resins
  • Isobutene and light olefins
  • What is the main issue with using solid catalysts for alkylation processes?

  • Low octane number
  • Difficulty in obtaining raw materials
  • High production cost
  • Fast deactivation (correct)
  • What is the primary purpose of the isomerization process?

    <p>Improving the octane number of gasoline</p> Signup and view all the answers

    What reaction mechanism may occur in the isomerization process?

    <p>Formation of a carbocation via abstraction of a hydride ion</p> Signup and view all the answers

    Which of the following catalysts is commonly used in isomerization?

    <p>Platinum with a zeolite base</p> Signup and view all the answers

    What are the preferred isomerization catalysts?

    <p>Dual-function catalysts activated by chlorides</p> Signup and view all the answers

    Which of the following is not an intermediate formed in the alkylation process using liquid triflic acid?

    <p>Sulfated zirconia</p> Signup and view all the answers

    What is the primary purpose of using dual-function catalysts in isomerization?

    <p>Both a and b</p> Signup and view all the answers

    What is the main issue with using solid catalysts in alkylation processes?

    <p>Increased catalyst deactivation</p> Signup and view all the answers

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