Electron Transfer and Energy Absorption Quiz
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Questions and Answers

What is the total energy required for the ion formation of solid LiF?

  • $-328 kJ/mol$
  • $-617 kJ/mol$
  • $+192 kJ/mol$ (correct)
  • $+520 kJ/mol$

    • Why does the electron transfer process absorb energy?

  • Due to the exothermic energy component involved in the process
  • Due to the conversion of metallic lithium and diatomic fluorine to separate gaseous atoms
  • Due to the endothermic steps involved in the process (correct)
  • Due to the release of energy when ions come together and form a solid

    • What is the standard heat of formation (∆Hf °) of solid LiF?

  • $-617 kJ/mol$ (correct)
  • $+192 kJ/mol$
  • $+520 kJ/mol$
  • $-328 kJ/mol$

    • What is the energy change for the second step of electron-transfer process for the formation of lithium fluoride?

    <p>$-328 kJ$</p> Signup and view all the answers

    What is the energy change for the first step of electron-transfer process for the formation of lithium fluoride?

    <p>$+520 kJ$</p> Signup and view all the answers

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