Chemistry: Oxides and Halogen Reactions
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Questions and Answers

What is the typical stoichiometry of the reaction between the heavier group 13 elements and halogens?

  • 1:3 (correct)
  • 1:2
  • 2:3
  • 1:1

    • What is the result of hydrolysis of the halides of the group 13 elements in water?

  • Formation of the metal hydroxide (correct)
  • Formation of the metal nitride
  • Formation of the metal oxide
  • Formation of the metal carbide

    • What is the characteristic of the trichlorides, tribromides, and triiodides of Al, Ga, and In?

  • More covalent in character (correct)
  • Typical ionic compounds
  • Good Lewis bases
  • Electron-rich

    • Which of the following is an exception in terms of its behaviour?

    <p>TlI3</p> Signup and view all the answers

    What is the characteristic of the halides of the group 13 elements?

    <p>Good Lewis acids</p> Signup and view all the answers

    What is the characteristic of the reaction between Al and chlorine?

    <p>Formation of AlCl3</p> Signup and view all the answers

    What is unique about the reaction of group 13 elements with fluorine?

    <p>It does not require heat to proceed.</p> Signup and view all the answers

    Which group 13 elements are known to form hydrides?

    <p>Al and Ga</p> Signup and view all the answers

    Why do group 13 elements not react with nitrogen?

    <p>They are not electropositive enough.</p> Signup and view all the answers

    What is the product of the reaction of aluminum with excess oxygen at high temperatures?

    <p>Al2O3</p> Signup and view all the answers

    Why does aluminum not react with water?

    <p>A tough outer coating of Al2O3 forms on the surface.</p> Signup and view all the answers

    What is the product when boron reacts with fluorine gas under normal conditions?

    <p>BF3</p> Signup and view all the answers

    What is the simplest borane, formed by the reaction of boron with hydrogen?

    <p>B2H6</p> Signup and view all the answers

    What is the product when boron reacts with nitrogen at high temperature?

    <p>2BN</p> Signup and view all the answers

    What is the product when boron reacts with oxygen at high temperature?

    <p>B2O3</p> Signup and view all the answers

    What is the product when boron reacts with halogens at high temperature?

    <p>BX3</p> Signup and view all the answers

    What is unique about the reactivity of boron compared to other Group 13 elements?

    <p>It has a distinctive chemistry and is inert under normal conditions</p> Signup and view all the answers

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