Question: Which of the following amines is a strong base?
Options:
Aniline
Methylamine
Phenethylamine
Benzylamine
Correct Answer: Methylamine
Solution:
Methylamine is a strong base compared to the others due to the lack of resonance stabilization of the lone pair.
Which of the following amines is a strong base?
Practice Questions
Q1
Which of the following amines is a strong base?
Aniline
Methylamine
Phenethylamine
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.
No concepts available.
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