Organic Chemistry Chapter on Boiling Points and Reactions
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Questions and Answers

Which compound has the highest boiling point?

  • (CH3)3CCH2OH
  • (CH3)2CHCH2CH2OH
  • All have the same boiling point
  • CH3(CH2)3CH2OH (correct)
  • What is the correct order of boiling points for the given compounds from highest to lowest?

  • CH3(CH2)3CH2OH > (CH3)3CCH2OH > (CH3)2CHCH2CH2OH
  • (CH3)3CCH2OH > (CH3)2CHCH2CH2OH > CH3(CH2)3CH2OH (correct)
  • (CH3)2CHCH2CH2OH > (CH3)3CCH2OH > CH3(CH2)3CH2OH
  • (CH3)2CHCH2CH2OH > CH3(CH2)3CH2OH > (CH3)3CCH2OH
  • What product is formed when hydrogen iodide reacts with benzyl ethyl ether?

  • Benzyl Ether and Hydrogen Iodide
  • Benzyl Iodide and Ethyl Iodide (correct)
  • Benzyl Iodide and Benzyl Ethyl
  • Benzyl Chloride and Ethyl Chloride
  • Why do branched alcohols generally have lower boiling points than their linear counterparts?

    <p>Branched alcohols have a smaller surface area.</p> Signup and view all the answers

    When arranging boiling points, what factor must be considered for alcohols?

    <p>Degree of branching</p> Signup and view all the answers

    Study Notes

    Question 25

    • Alcohols with branched structures have lower boiling points than those with linear structures
    • This is because branched structures have a smaller surface area, resulting in weaker London dispersion forces
    • The order of decreasing boiling points is:
      • CH3(CH2)3CH2OH > (CH3)2CHCH2CH2OH > (CH3)3C-CH2OH

    Question 26

    • The reaction of benzyl ethyl ether with hydrogen iodide produces benzyl iodide and ethyl iodide

    • The chemical equation is:

      • CH3CH2OCH2CH3 + 2HI → C6H5CH2I + CH3CH2I
    • The product is benzyl iodide and ethyl iodide

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    Description

    This quiz covers important concepts in organic chemistry, focusing on the boiling points of alcohols with different structures and the reaction of benzyl ethyl ether with hydrogen iodide. Test your understanding of how molecular structure affects physical properties and chemical reactions.

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