Functional Group Priority in Organic Chemistry
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Questions and Answers

What functional group has the highest priority according to the order of priority?

  • –NH2
  • –CHO
  • –SH
  • –COOH (correct)
  • Which functional group has a higher priority than –C=O but lower than –COOH?

  • –COOR
  • –CN
  • –CHO
  • –SO3H (correct)
  • Identify the functional group that ranks right above –OH in the priority order.

  • –C=O
  • –CONH2 (correct)
  • –SH
  • >C=C
  • Which of the following functional groups is ranked directly below –C=O in the priority order?

    <p>–CHO</p> Signup and view all the answers

    What is the correct order of priority for the following functional groups: –COOR, –NH2, –CN?

    <p>–COOR &gt; –NH2 &gt; –CN</p> Signup and view all the answers

    Study Notes

    Functional Group Priority

    • Functional groups are a group of atoms within molecules that are responsible for the characteristic chemical reactions of that molecule
    • The order of decreasing priority of functional groups can be used in naming organic molecules
    • The higher the priority of the functional group, the more likely it is to be the main functional group in the molecule
    • Carboxylic acids have the highest priority, followed by sulfonic acids, esters, acid halides, amides, nitriles, aldehydes, ketones, alcohols, thiols, amines, and alkenes
    • The functional group with the highest priority wins the competition in naming an organic molecule, dictating the suffix of the molecule's name.

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    Description

    This quiz explores the concept of functional groups in organic chemistry, focusing on their priority in naming molecules. Learn about the hierarchy of functional groups, from carboxylic acids to alkenes, and understand how the highest priority group determines the suffix in molecular naming.

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