Organic Chemistry I

10 Questions | Total Attempts: 201

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Organic Chemistry I

A quiz to assess your understanding.


Questions and Answers
  • 1. 
    Which of the following molecule(s) is/are not an alkane?I  C10H22     II C6H6    III  C2H5OH     IV  C6H12
    • A. 

      II only

    • B. 

      II and III only

    • C. 

      II, III and IV only

    • D. 

      III only

  • 2. 
    What is the number of isomers of formula C5H12?
    • A. 

      5

    • B. 

      4

    • C. 

      3

    • D. 

      2

  • 3. 
    Which statement about the members of a homologous series is correct?
    • A. 

      They contain the same number of bonds per molecule

    • B. 

      They have the same empirical formula.

    • C. 

      They have the same number of carbon atoms per molecule

    • D. 

      They undergo similar reactions

  • 4. 
    Octane is an alkane containing eight carbon atoms per molecule. What is its condensed structural formula?
    • A. 

      C8H14

    • B. 

      C4H7

    • C. 

      CH3CH2CH2CH2CH2CH2CH2CH3

    • D. 

      CH4CH2CH2CH2CH2CH2CH2CH4

  • 5. 
    Which of the following molecules is saturated?
    • A. 

      C3H8

    • B. 

      C3H6

    • C. 

      C2H2

    • D. 

      C6H6

  • 6. 
    Which of the following are possible products when C2H6 is reacted with chlorine gas in the presence of UV?
    • A. 

      C2H6Cl and HCl

    • B. 

      C2Cl6, C2H5Cl and HCl

    • C. 

      C2H5Cl and H2

    • D. 

      C2H6Cl

  • 7. 
    10 cm3 of methane undergoes complete combustion with 30 cm3 of oxygen. What is the total volume of gases at 100 degree celsius?
    • A. 

      30 cm3

    • B. 

      40 cm3

    • C. 

      10 cm3

    • D. 

      20 cm3

  • 8. 
    The structures of two compounds are shown.Which statement about these two compounds is correct?
    • A. 

      They are isomers of each other

    • B. 

      They are both saturated compounds

    • C. 

      They are in the same homologous series

    • D. 

      They are both hydrocarbons

  • 9. 
    A molecule has the following structural formula.What is the name of this molecule?
    • A. 

      Octane

    • B. 

      2-methyl-3-methylhexane

    • C. 

      2,3-dimethylhexane

    • D. 

      2-methyl-3-propylhexane

  • 10. 
    In the presence of sunlight, alkanes react with bromine. What type of reaction is this?
    • A. 

      Addition reaction

    • B. 

      Combustion reaction

    • C. 

      Decomposition reaction

    • D. 

      Substitution