Crude Oil Composition Quiz
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Questions and Answers

What is the general formula for normal alkanes (n-paraffins)?

  • CnHn
  • CnH2n
  • CnH2n+2 (correct)
  • CnH2n-2
  • Which type of hydrocarbon constitutes about 49% of the average crude oil composition by weight?

  • Naphthenes (correct)
  • Asphaltics
  • Paraffins
  • Aromatics
  • Which type of hydrocarbon contains cyclic 'or ring' in all or part of the skeleton?

  • Paraffins
  • Aromatics
  • Naphthenes (correct)
  • Asphaltics
  • Which type of hydrocarbon constitutes about 15% of the average crude oil composition by weight?

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

    What are the essential components of petroleum, whose molecules contain only carbon & hydrogen?

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

    Which type of hydrocarbon contains straight-chain hydrocarbons with no branches?

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

    What is the suffix used for saturated aliphatic hydrocarbons connected by a single bond?

    <p>-ane</p> Signup and view all the answers

    "Double" and "triple" bonds in hydrocarbon compounds are indicated by which suffixes, respectively?

    <p>-yne, -ene</p> Signup and view all the answers

    "Cycloparaffins" are also known as:

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

    What is the relative percentage of asphaltics in the average crude oil composition by weight?

    <p>6%</p> Signup and view all the answers

    Which type of hydrocarbon constitutes about 49% of the average crude oil composition by weight?

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

    What is the relative percentage of asphaltics in the average crude oil composition by weight?

    <p>6%</p> Signup and view all the answers

    'Cycloparaffins' are also known as:

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

    What is the suffix used for saturated aliphatic hydrocarbons connected by a single bond?

    <p>-ane</p> Signup and view all the answers

    Which type of hydrocarbon contains straight-chain hydrocarbons with no branches?

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

    What is the general formula for normal alkanes (n-paraffins)?

    <p>$C_nH_{2n+2}$</p> Signup and view all the answers

    'Double' and 'triple' bonds in hydrocarbon compounds are indicated by which suffixes, respectively?

    <p>-ene, -yne</p> Signup and view all the answers

    Which type of hydrocarbon contains cyclic 'or ring' in all or part of the skeleton?

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

    What are the essential components of petroleum, whose molecules contain only carbon & hydrogen?

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

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