What Do You Know About Ethyne?

10 Questions | Total Attempts: 147

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What Do You Know About Ethyne? - Quiz

Ethyne or acetylene is the simplest alkyne; a colorless hydrocarbon gas widely used as a fuel and with C2H2 as its formula. Take this quiz to find out more.


Questions and Answers
  • 1. 
    The molar mass of ethyne is...
    • A. 

      26.04g/mol

    • B. 

      25.05g/mol

    • C. 

      20.00g/mol

    • D. 

      23.08g/mol

  • 2. 
    It was discovered in...
    • A. 

      1835

    • B. 

      1836

    • C. 

      1837

    • D. 

      1838

  • 3. 
    It was rediscovered by French chemist Marcellin Berthelot, who coined the name acétylène, in which year?
    • A. 

      1860

    • B. 

      1861

    • C. 

      1862

    • D. 

      1863

  • 4. 
    Its vapor pressure is...
    • A. 

      44.2 atm

    • B. 

      44.5 atm

    • C. 

      42.4 atm

    • D. 

      24.4 atm

  • 5. 
    What is its density? 
    • A. 

      1.097 kg/m3

    • B. 

      1.098kg/m3

    • C. 

      1.088kg/m3

    • D. 

      1.087kg/m3

  • 6. 
    What happens to its smell when pure? 
    • A. 

      It has a sweet smelling

    • B. 

      It has a choking smelling

    • C. 

      It has an irritating smelling 

    • D. 

      It is odorless

  • 7. 
    It is explosive if mixed with...
    • A. 

      Water

    • B. 

      Air

    • C. 

      H2

    • D. 

      Steamed water

  • 8. 
    Acetylene cannot exist as a...
    • A. 

      Solid

    • B. 

      Liquid

    • C. 

      Gas

    • D. 

      Aqueous

  • 9. 
    Acetylene is a chemical compound composed of....
    • A. 

      Two carbon and two hydrogen atoms

    • B. 

      Two carbon and one hydrogen atoms

    • C. 

      One carbon and two hydrogen atoms

    • D. 

      Two carbon and there hydrogen atoms

  • 10. 
    It was prepared by the hydrolysis of calcium carbide, a reaction discovered by Friedrich Wöhler in...
    • A. 

      1861

    • B. 

      1862

    • C. 

      1863

    • D. 

      1864

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