Amines Nomenclature

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Questions and Answers

What type of reaction can form primary amines by the nucleophilic substitution reaction?

  • Nucleophilic substitution reaction (correct)
  • Addition reaction
  • Oxidation reaction
  • Elimination reaction

In the formation of primary amines, what does the excess of ammonia dissolved in ethanol help to maximize?

  • Formation of tertiary amines
  • Amount of primary amine formed (correct)
  • Formation of secondary amines
  • Formation of byproducts

Which intermediate is formed during the first step of the mechanism when a nucleophile attacks the haloalkane?

  • CH3CH2NH3+Br-
  • NH4Br
  • CH3CH2Br (correct)
  • CH3CH2NH2

What occurs in the second step of the mechanism when a second ammonia removes a proton from the intermediate?

<p>Deprotonation (D)</p> Signup and view all the answers

Which type of amine will react with haloalkanes to form secondary amines?

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

What type of amine will result from the reaction between a secondary amine and a haloalkane?

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

In what type of reaction do amines act as Bronsted-Lowry Bases?

<p>Acid-base reactions (C)</p> Signup and view all the answers

Why are primary aliphatic amines stronger bases than ammonia?

<p>Alkyl groups push electrons towards the nitrogen, making it a stronger base (B)</p> Signup and view all the answers

Why do primary aromatic amines like phenylamine not form basic solutions?

<p>Lone pair electrons delocalize with the ring and make the nitrogen less able to accept protons (D)</p> Signup and view all the answers

What type of salt is formed when amines react with acids?

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

What happens when NaOH is added to an ammonium salt?

<p>The salt is converted back to the amine (D)</p> Signup and view all the answers

Why do ionic salts formed from amines and acids remain soluble in water?

<p>Due to strong ionic interactions (C)</p> Signup and view all the answers

What is the common name for CH3CH2CH2NHCH3?

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

How is propan-1-amine named according to IUPAC nomenclature?

<p>Propan-1-amine (B)</p> Signup and view all the answers

In IUPAC nomenclature, how would you name a tertiary amine with three different alkyl side groups?

<p>Trimethylamine (D)</p> Signup and view all the answers

What happens in common naming when an amine has two alkyl groups of different sizes attached to the nitrogen atom?

<p>-N is used before the smaller alkyl group. (A)</p> Signup and view all the answers

When naming a secondary amine in IUPAC nomenclature, how do you handle multiple alkyl groups?

<p>'N-' is added before each alkyl group. (D)</p> Signup and view all the answers

What prefix is used in chemical nomenclature when an amine group is not the highest priority functional group?

<p>-amino (A)</p> Signup and view all the answers

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