Chem211E Organic Chemistry Introduction
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Questions and Answers

What distinguishes organic chemistry from inorganic chemistry?

  • Presence of carbon in organic compounds (correct)
  • Absence of carbon in inorganic compounds
  • Organic compounds always contain hydrogen
  • Inorganic compounds contain heteroatoms

How many valence electrons does a stable carbon atom possess?

  • Four (correct)
  • Two
  • Five
  • Three

Which of the following elements is NOT commonly found as a heteroatom in organic compounds?

  • Iron (Fe) (correct)
  • Nitrogen (N)
  • Oxygen (O)
  • Phosphorus (P)

What characteristic of carbon allows it to form many different compounds?

<p>Tetravalency (B)</p> Signup and view all the answers

What is the statement by William Brande emphasizing regarding organic and inorganic chemistry?

<p>The differences between them are only for theoretical purposes (D)</p> Signup and view all the answers

Why is carbon considered unique in its ability to form diverse compounds?

<p>It can form long chains or rings with itself or other elements (B)</p> Signup and view all the answers

Who was the first to express the difference in behavior between 'organic' and 'inorganic' substances?

<p>Torbern Bergman (B)</p> Signup and view all the answers

What did Michel Chevreul find in early 1816 that challenged the notion of 'vital force' in organic compounds?

<p>Soap could be separated into pure organic compounds. (D)</p> Signup and view all the answers

What organic substance was converted into others without the intervention of a vital force?

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

In 1828, Friedrich Wöhler discovered that 'inorganic' salt ammonium cyante can be converted into which 'organic' substance?

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

What term did early chemists use to describe the peculiar 'vital force' in organic compounds?

<p>'Living force' (D)</p> Signup and view all the answers

Which chemist is credited with finding that soap could be separated into several pure organic compounds?

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