Benzene in Gasoline and Production of Styrene
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Questions and Answers

What is the feedstock for toluene hydrodealkylation in benzene production?

  • Methane
  • Toluene (correct)
  • Benzene
  • Xylene

What is the coproduct of toluene hydrodealkylation besides benzene?

  • Methane (correct)
  • Xylene
  • Toluene
  • Cyclohexane

Which catalysts have been effectively used in toluene hydrodealkylation?

  • Molybdenum (Mo) oxide (correct)
  • Nickel (Ni)
  • Gold (Au)
  • Rhodium (Rh)

What does the term 'disproportionation' indicate in toluene disproportionation?

<p>Transformation of toluene into benzene and xylene simultaneously (A)</p> Signup and view all the answers

Which compound is the specific isomer of xylene discussed in the text?

<p>Para-xylene (D)</p> Signup and view all the answers

What environmental concern led to the phase-out of benzene as a fuel additive?

<p>Health and environmental problems caused by benzene (C)</p> Signup and view all the answers

Which compound was introduced as a fuel additive after the phase-out of benzene?

<p>Tetraethyl lead (B)</p> Signup and view all the answers

What is the name of the process for transforming toluene into benzene while coproducing xylene?

<p>Toluene disproportionation (C)</p> Signup and view all the answers

Which compound is used as a feedstock for toluene disproportionation?

<p>Toluene (B)</p> Signup and view all the answers

What is the product mixture high in para-xylene produced by depending on in toluene disproportionation process?

<p>The company running the operation (D)</p> Signup and view all the answers

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