Which of the following amines is a strong base?

Practice Questions

Q1
Which of the following amines is a strong base?
  1. Aniline
  2. Methylamine
  3. Phenethylamine
  4. Benzylamine

Questions & Step-by-Step Solutions

Which of the following amines is a strong base?
  • Step 1: Understand what an amine is. Amines are organic compounds that contain a nitrogen atom bonded to hydrogen atoms or carbon atoms.
  • Step 2: Know that a strong base is a substance that can accept protons (H+) easily.
  • Step 3: Identify the amines given in the question. Common examples include methylamine, ethylamine, and others.
  • Step 4: Look at the structure of each amine. Focus on the lone pair of electrons on the nitrogen atom.
  • Step 5: Determine if the lone pair is stabilized by resonance. Resonance stabilization means that the lone pair is shared with other atoms, making it less available to accept protons.
  • Step 6: Compare the amines. Methylamine has a lone pair that is not stabilized by resonance, making it more available to accept protons.
  • Step 7: Conclude that methylamine is a strong base compared to the others because its lone pair is not involved in resonance.
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