Alkyl and Aryl Halides Overview
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Questions and Answers

Which of the following statements about dipole moments is correct?

  • The dipole moments of CH3-Cl and CH3-Br are equal.
  • The dipole moment of CH3-F is greater than that of CH3-I. (correct)
  • The dipole moment of CH3-Br is greater than that of CH3-I.
  • The dipole moment of CH3-Cl is greater than that of CH3-Br.

    • Which of the following reagents is most suitable for preparing 1-iodobutane from 1-butanol?

  • Concentrated HCl and ZnCl2
  • Sodium or potassium iodide in 95% orthophosphoric acid (correct)
  • Thionyl chloride
  • Phosphorus tribromide

    • In an SN2 reaction, which of the following compounds is most likely to undergo substitution?

  • tert-Butyl bromide
  • Methyl bromide (correct)
  • Ethyl bromide
  • Isopropyl bromide

    • Which of the following statements is correct regarding the dipole moment comparison between chlorobenzene and cyclohexyl chloride?

    <p>Cyclohexyl chloride has a higher dipole moment due to the absence of resonance stabilization. (B)</p> Signup and view all the answers

    Which of the following statements about the miscibility of alkyl halides with water is correct?

    <p>Alkyl halides are immiscible with water due to their inability to form hydrogen bonds. (A)</p> Signup and view all the answers

    Which of the following reagents is most suitable for preparing alkyl bromides from alcohols?

    <p>48% HBr (D)</p> Signup and view all the answers

    Which of the following statements about the reactivity of alcohols with haloacids is correct?

    <p>The reactivity order is tertiary &gt; secondary &gt; primary. (D)</p> Signup and view all the answers

    Which of the following statements about the preparation of alkyl halides from alcohols is correct?

    <p>The reaction of alcohols with HBr requires constant boiling with 48% HBr. (C)</p> Signup and view all the answers

    Which of the following statements about the preparation of alkyl halides from alcohols using phosphorus halides is correct?

    <p>Phosphorus tribromide and triiodide are generated in situ by the reaction of red phosphorus with bromine and iodine, respectively. (A)</p> Signup and view all the answers

    Which of the following statements about the bond enthalpies of carbon-halogen bonds is correct?

    <p>The C-F bond has the highest bond enthalpy among the given carbon-halogen bonds. (B)</p> Signup and view all the answers

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