Chemistry Unit 12: Organic Chemistry Basics Quiz

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Questions and Answers

What are some examples of organic compounds mentioned in the text?

  • DNA and proteins (correct)
  • Nitrogen and carbon dioxide
  • Calcium and sodium
  • Hydrogen and oxygen

Who proposed the idea of a 'vital force' responsible for the formation of organic compounds?

  • Berthelot
  • Berzilius (correct)
  • Kolbe
  • F. Wohler

What did the synthesis of urea from an inorganic compound by F. Wohler demonstrate?

  • Inorganic compounds cannot be synthesized in a laboratory
  • Organic compounds can be synthesized from inorganic sources (correct)
  • Organic compounds cannot be synthesized in a laboratory
  • Inorganic compounds can be synthesized from organic sources

How does the sp hybrid orbital differ from the sp3 hybrid orbital?

<p>Forms shorter and stronger bonds (A)</p> Signup and view all the answers

What influenced the bond length and bond enthalpy in organic compounds?

<p>Hybridisation (A)</p> Signup and view all the answers

What is the unique property of carbon that allows it to form covalent bonds with other carbon atoms?

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

In organic chemistry, how are the resulting compounds studied?

<p>Separate branch of chemistry (D)</p> Signup and view all the answers

What is the system of nomenclature used to name organic compounds?

<p>IUPAC system (C)</p> Signup and view all the answers

What is the technique used for the purification of organic compounds?

<p>Crystallization (D)</p> Signup and view all the answers

What do we study in the unit on organic chemistry?

<p>Properties of organic compounds (C)</p> Signup and view all the answers

What is the unique property of carbon that allows it to form covalent bonds with other carbon atoms?

<p>Catenation (D)</p> Signup and view all the answers

What are the resulting compounds studied under a separate branch of chemistry called?

<p>Organic chemistry (C)</p> Signup and view all the answers

What do we call the process through which carbon forms covalent bonds with atoms of other elements?

<p>Catenation (D)</p> Signup and view all the answers

What property of carbon results in the formation of covalent bonds with atoms of other elements like hydrogen, oxygen, nitrogen, sulphur, phosphorus, and halogens?

<p>Catenation (D)</p> Signup and view all the answers

What branch of chemistry incorporates some basic principles and techniques of analysis required for understanding the formation and properties of organic compounds?

<p>Organic chemistry (A)</p> Signup and view all the answers

What is the system of nomenclature used to name organic compounds?

<p>IUPAC system (D)</p> Signup and view all the answers

What is the significance of the synthesis of urea from an inorganic compound by F. Wohler?

<p>It demonstrated that organic compounds can be synthesized from inorganic sources (C)</p> Signup and view all the answers

How did the knowledge of molecular structure and valency contribute to understanding organic compounds?

<p>It enabled the prediction of the properties of organic compounds (D)</p> Signup and view all the answers

What influenced the bond length and bond enthalpy in organic compounds?

<p>The electronic configuration of carbon (C)</p> Signup and view all the answers

How did the synthesis of acetic acid by Kolbe contribute to the field of organic chemistry?

<p>It provided evidence that organic compounds can be synthesized artificially (A)</p> Signup and view all the answers

What is the impact of sp2 hybrid orbitals on bond length and strength in organic compounds?

<p>They form shorter and stronger bonds (C)</p> Signup and view all the answers

Which concept influenced the electronegativity of carbon in organic compounds?

<p>Hybridization type (A)</p> Signup and view all the answers

What was the impact of Berzilius' proposal about 'vital force' in organic compound formation?

<p>'Vital force' was later rejected as an explanation for organic compound formation (D)</p> Signup and view all the answers

Why is the sp hybrid orbital closer to its nucleus compared to the sp3 hybrid orbital?

<p>It has more s character than sp3 orbital (C)</p> Signup and view all the answers

What did the pioneering synthesis of methane by Berthelot demonstrate?

<p>'Vital force' is not involved in methane synthesis (D)</p> Signup and view all the answers

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