Homologous Series and Functional Groups Naming Quiz

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Questions and Answers

Which molecule has a higher boiling point?

  • E-1,2-dichloroethene
  • Z-1,2-dichloroethene (correct)
  • The boiling points are the same
  • None of the above

In which molecule are the polar C-Cl bonds on the same side of the molecule?

  • E-1,2-dichloroethene
  • Z-1,2-dichloroethene (correct)
  • Both molecules
  • None of the above

Which intermolecular forces are present in both E-1,2-dichloroethene and Z-1,2-dichloroethene?

  • Permanent dipole-dipole attractions only
  • Ionic bonding
  • Van der Waals forces and hydrogen bonding
  • Van der Waals forces only (correct)

What property causes Z-1,2-dichloroethene to be polar?

<p>Polar C-Cl bonds on the same side (D)</p>
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What effect does having higher priority atoms in a molecule have on its physical properties?

<p>No effect on physical properties (A)</p>
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What is the molecular formula used for?

<p>To show the actual number of atoms of each element in a compound (A)</p>
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In organic chemistry, what does a functional group determine?

<p>The chemical properties of molecules (C)</p>
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What is the general formula used for in organic chemistry?

<p>To represent an algebraic formula for a homologous series (C)</p>
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How are saturated hydrocarbons different from unsaturated hydrocarbons?

<p>Unsaturated hydrocarbons contain only single carbon-carbon bonds. (D)</p>
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What is the purpose of a skeletal formula in organic chemistry?

<p>To simplify the organic formula by removing hydrogen atoms. (C)</p>
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How do homologous series contribute to organic chemistry?

<p>By demonstrating the relationship between different molecules with similar properties. (D)</p>
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In a homologous series, how do the members differ from each other?

<p>By CH2 from the last member (B)</p>
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Which functional group takes the suffix in nomenclature according to the order of precedence?

<p>Ketones (D)</p>
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When compounds contain more than one functional group, which group takes the suffix?

<p>The highest precedence group (A)</p>
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Which functional group's nomenclature doesn't follow the general precedence rule?

<p>Alkenes (A)</p>
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What determines whether a functional group is named using a prefix or a suffix in its nomenclature?

<p>The order of precedence (A)</p>
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Which type of bonds only take the suffix form in their nomenclature?

<p>Double C-C bonds (B)</p>
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What is the correct suffix ending for aldehydes?

<p>-al (D)</p>
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In an aldehyde, where is the C=O bond typically located?

<p>First carbon of the chain (A)</p>
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How are aldehydes with two functional groups named?

<p>Using -al suffix and adding di- before -al (D)</p>
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What is the correct prefix for the OH group in aldehydes?

<p>Hydroxy- (D)</p>
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What is the general ending for ketones?

<p>-one (A)</p>
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When do ketones require numbering in their chain?

<p>When they have 5 carbons or more in a chain (A)</p>
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What is the correct definition of homolytic fission?

<p>Each atom gets one electron from the covalent bond (B)</p>
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Which type of bond breaking produces free radicals?

<p>Homolytic fission (A)</p>
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What characterizes a free radical?

<p>Contains an unpaired electron (B)</p>
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Why do most organic reactions occur via heterolytic fission?

<p>To produce ions (B)</p>
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In terms of bond breaking, what does heterolytic fission involve?

<p>(One atom gets both electrons) (C)</p>
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What happens when a bond breaks by homolytic fission?

<p>Production of free radicals (A)</p>
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