18.1.1 Structure and Nomenclature

Cards (51)

  • What are amines derived from?
    Ammonia
  • What is the defining feature of primary amines?
    One H replaced
  • Tertiary amines have all three hydrogen atoms in ammonia replaced by alkyl or aryl groups.

    True
  • Match the type of amine with its general formula:
    Primary amine ↔️ R-NH₂
    Secondary amine ↔️ R₂NH
    Tertiary amine ↔️ R₃N
  • Trimethylamine ((CH₃)₃N) is an example of a tertiary amine.
  • What is the general formula for secondary amines?
    R₂NH
  • What happens to the hydrogen atoms in ammonia to form tertiary amines?
    All three are replaced
  • How many hydrogen atoms in ammonia are replaced in a primary amine?
    One
  • Trimethylamine is an example of a tertiary amine
  • What are alkyl groups derived from?
    Alkanes
  • What is the difference between straight-chain and branched alkyl groups?
    Linear vs. branched carbon chains
  • What is the general formula for amines?
    Depends on the type
  • Primary amines have the general formula R-NH₂
  • What is the notation for an ethyl group?
    C₂H₅
  • Isopropyl is a branched form of the propyl group
  • What is the notation for a propyl group?
    C₃H₇
  • Branched alkyl groups have carbon atoms branching off the main chain.

    True
  • Give an example of a branched alkyl group.
    Isopropyl
  • What is the IUPAC name for CH₃-NH₂?
    Methylamine
  • When naming secondary amines, the two alkyl group names are listed in alphabetical order.
  • What is the IUPAC name for (CH₃)₂NH?
    Dimethylamine
  • What is the IUPAC name for (CH₃)₃N?
    Trimethylamine
  • Cyclic amines are named using IUPAC nomenclature by combining the name of the ring with the suffix -amine.
  • Match the cyclic amine with its IUPAC name:
    Pyrrolidine ↔️ Pyrrolidine
    Piperidine ↔️ Piperidine
  • When naming amines with multiple functional groups, the priority of functional groups must be considered.

    True
  • The IUPAC name for CH₃-CH₂-NH-CH₂-COOH is 3-Aminopropanoic acid.
  • Amines are formed when hydrogen atoms in ammonia are replaced by alkyl or aryl groups.

    True
  • The general formula for primary amines is R-NH₂
  • What is the defining feature of secondary amines?
    Two H replaced
  • In primary amines, one hydrogen atom of ammonia is replaced by an alkyl or aryl group.
  • Give an example of a primary amine.
    CH₃-NH₂
  • The general formula for primary amines is R₃N.
    False
  • Methylamine (CH₃-NH₂) is an example of a primary amine.
  • The general formula for a primary amine is R-NH₂
  • Secondary amines have the general formula R₂NH

    True
  • Match the type of amine with its general formula:
    Primary ↔️ R-NH₂
    Secondary ↔️ R₂NH
    Tertiary ↔️ R₃N
  • The alkyl group with the formula CH₃ is called methyl
  • Match the alkyl group with its notation:
    Methyl ↔️ CH₃
    Ethyl ↔️ C₂H₅
    Propyl ↔️ C₃H₇
  • Tertiary amines have all three hydrogen atoms of ammonia replaced.
    True
  • Match the type of amine with its example:
    Primary ↔️ Methylamine
    Secondary ↔️ Dimethylamine
    Tertiary ↔️ Trimethylamine