Organic Functional Groups Quiz

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Questions and Answers

What distinguishes primary, secondary, and tertiary alcohols?

  • The presence of additional functional groups
  • The number of carbon atoms bonded to the carbon with the -OH group (correct)
  • The number of hydrogen atoms on the hydroxyl carbon
  • The number of -OH groups present

Which functional group characterizes carboxylic acids?

  • Hydroxyl group
  • Alkyl group
  • Amino group
  • Carbonyl plus hydroxyl group (correct)

Which statement correctly describes amines?

  • They cannot contain multiple carbon groups
  • They contain only one nitrogen atom
  • They are classified based on the number of oxygen atoms
  • They replace hydrogens in ammonia with carbon groups (correct)

What is the structural representation of a carbonyl group?

<p>C=O (B)</p> Signup and view all the answers

How is a carboxylic ester formed?

<p>By replacing the -OH group of a carboxylic acid (B)</p> Signup and view all the answers

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Study Notes

Alcohols

  • Contain an -OH (hydroxyl) group bonded to a tetrahedral carbon atom.
  • Classified as primary (1°), secondary (2°), and tertiary (3°) based on the number of carbon atoms bonded to the carbon bearing the -OH group.

Aldehydes

  • Contain a carbonyl group (C=O) bonded to a hydrogen; a -CHO group.

Amides

  • Functional derivatives of carboxylic acids where an amino group replaces the -OH of the carboxyl group.

Amines

  • Organic compounds with one, two, or three hydrogens in ammonia replaced by carbon groups (RNH2, R2NH, or R3N).
  • Classified as primary (1º), secondary (2º), and tertiary (3º) based on the number of carbon groups bonded to the nitrogen atom.

Amino Group

  • A nitrogen atom bonded to one, two, or three R groups (RNH2, R2NH, or R3N) where R represents a carbon group.

Carbonyl Group

  • A C=O group.

Carboxyl Group

  • A combination of carbonyl and hydroxyl groups: a -COOH group.

Carboxylic Acids

  • Compounds containing a -COOH group.

Carboxylic Esters

  • Derivatives of carboxylic acids where a carbon group replaces the H of the carboxyl group; -COOR or -COâ‚‚R.

Condensed Structural Formula

  • A shorthand method for writing organic structures grouping hydrogens with the atom they're attached to.

Functional Group

  • The group of atoms that defines a compound's identity.
  • It causes predictable physical and chemical behaviors within a molecule.

Hydroxyl Group

  • An -OH group bonded to a tetrahedral carbon atom.

Ketones

  • Compounds containing a carbonyl group (C=O) bonded to two carbon groups.

Organic Chemistry

  • The study of carbon compounds.

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