Quiz  /  Organic Chemistry Class 10 MCQ Questions With Answers

  • 1. 
    Carbon has 4 valence electrons. What is the valence configuration?

  • 1s2 p2
  • 2s2 p2
  • 3s2 p2
  • 4s2 p2

  • 2. 
    How many organic materials do we have approx?

  • 100.000
  • 1000.000
  • 100.000.000
  • 1000.000.000

  • 3. 
    Carbon has three forms (allothrops). Which one is NOT one?

  • Diamond
  • Coal
  • Granite
  • Graphite

  • 4. 
    What is Vis vitalis?

  • A force that was believed to hold organic materials together
  • A chemical bonding believed to exist between materials inthe human body
  • A force that was believed to make things grow old
  • A force that is proven to hold organic materials in the human body

  • 5. 
    Alkane molecules are made of which elements?

  • Carbon and hydrogen
  • Carbon, hydrogen and oxygen
  • Carbon and oxygen
  • Carbon, nitrogen and hydrogen

  • 6. 
    Which element is organic chemsitry about?

  • Boron
  • Sodium
  • Carbon
  • Sulphur

  • 7. 
    Organic compounds made only of the elements carbon and hydrogen are called...

  • Hydrocarbons
  • Carbohydrogens
  • Carbohydrates
  • Hydrocarbonates

  • 8. 
    Who was Worther?

  • Dutch chemist
  • French physicist
  • English doctor
  • German chemist

  • 9. 
    Which two elements do all organic compounds contain?

  • Carbon and hydrogen
  • Carbon and oxygen
  • Oxygen and hydrogen
  • Carbon and nitrogen

  • 10. 
    Which one is NOT a biogenic element?

  • Oxygen
  • Nitrogen
  • Sodium
  • Sulphur

  • 11. 
    All molecules of the alkane homologous series have which ending in their name?

  • -ane
  • -ene
  • -anol
  • -anoic acid

  • 12. 
    What is the name of the alkane shown here?

  • Methane
  • Ethane
  • Propane
  • Butane

  • 13. 
    Which type of bonding is present within organic molecules?

  • Covalent bond
  • Ionic bond
  • Metallic bond
  • Hydrogen bond

  • 14. 
    How many inorganic materials do we have approx?

  • 1000
  • 10000
  • 100000
  • 10000000

  • 15. 
    Which one of the following characteristics is not correct for all of the members of the same homologous series?

  • Same general formula
  • Similar chemical properties, i.e. undergo the same reactions
  • Varying physical properties, i.e. change in a predictable way
  • Different functional group

  • 16. 
    What is the focus of inorganic chemsitry?

  • Characteristics of the Compounds of Carbon
  • Characteristics of the elements of the periodic table and their compounds
  • Characteristics of transitional metals and their compounds
  • Characteristics of silicon and its compounds

  • 17. 
    Carbon’s atomic number is 6. It means that Carbon has

  • 6 protons
  • 6 neutrons
  • 6 neutrinos
  • 6 bosons

  • 18. 
    The first four alkanes are listed below. In which list are they placed in the correct order, i.e. increasing number of carbon atoms?

  • methane, ethane, propane, butane
  • ethane, methane, propane, butane
  • methane, ethane, butane, propane
  • methane, propane, ethane, butane

  • 19. 
    Which is the correct general formula for the alkanes?

  • CnH2n+2
  • CnH2n
  • CnH2n+1OH
  • CnH2n+1COOH

  • 20. 
    Which list does NOT contain compounds found in the same homologous series?

  • methane, ethane, propane, butane
  • Pentane, hexanol, heptane, octane
  • nonane, decane, undecane, dodecane
  • tridecane, tetradecane, pentadecane, hexadecane
Report Question
warning
access_time
  Time