Alkyl Halides Preparation and Reactions
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Questions and Answers

What is the primary method of preparing alkyl halides from alcohols?

  • Reaction with phosphorus tribromide
  • Reaction with hydrochloric acid
  • Halogenation of certain hydrocarbons (correct)
  • Reaction with iodine and phosphorus

    • What is the role of magnesium in the preparation of Grignard reagents?

  • It acts as a precipitant to remove impurities
  • It acts as a reactant to form the Grignard reagent (correct)
  • It acts as a solute to dissolve the alkyl halide
  • It acts as a catalyst

    • What is the classification of an alcohol based on the type of carbon that bears the OH group?

  • Primary, secondary, or tertiary based on the boiling point of the alcohol
  • Primary, secondary, or tertiary based on the type of carbon that bears the OH group (correct)
  • Primary, secondary, or tertiary based on the molecular weight of the alcohol
  • Primary, secondary, or tertiary based on the number of OH groups

    • What is the trend in the boiling point of alcohols with increasing carbon numbers?

    <p>The boiling point increases with increasing carbon numbers</p> Signup and view all the answers

    What is the purpose of oxymercuration-demercuration in the preparation of alcohols?

    <p>To convert an alkene to an alcohol</p> Signup and view all the answers

    What is the characteristic of alcohols in terms of their physical state?

    <p>They are all liquids</p> Signup and view all the answers

    What is the molecular formula for alkanes?

    <p>CnH2n+2</p> Signup and view all the answers

    Which method of preparation of alkanes involves the reaction of alkyl halides with LiAlH4?

    <p>Reduction of alkyl halides</p> Signup and view all the answers

    What is the product of the reaction between Grignard reagent and water?

    <p>Alkane</p> Signup and view all the answers

    What type of reaction occurs between alkanes and halogens in the presence of heat or light?

    <p>Substitution</p> Signup and view all the answers

    What is the byproduct of the decarboxylation reaction of a saturated monocarboxylic acid salt?

    <p>Na2CO3</p> Signup and view all the answers

    What is the reagent used in the decarboxylation reaction of a saturated monocarboxylic acid salt?

    <p>Soda lime</p> Signup and view all the answers

    What is the general formula for alcohols?

    <p>ROH</p> Signup and view all the answers

    What is the classification of alkyl halides based on the type of carbon that bears the halogen?

    <p>Primary, secondary, and tertiary</p> Signup and view all the answers

    What is the physical property difference between alkyl halides and alkanes with the same number of carbon atoms?

    <p>Alkyl halides have higher boiling points</p> Signup and view all the answers

    What is the catalyst used in the isomerization of alkenes?

    <p>Al2(SO4)3</p> Signup and view all the answers

    What is the process by which alkenes undergo polymerization?

    <p>Addition polymerization</p> Signup and view all the answers

    What is the type of isomerism that occurs in alkenes?

    <p>Shift of the double bond</p> Signup and view all the answers

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