Which of the following acids has a higher tendency to dissociate? A) Hydrocyanic Acid B) Acetic Acid C) Formic Acid D) Trimethyl Ammonia
Understand the Problem
The question is asking which acid among the given options has a greater tendency to dissociate into its ions in solution. This involves understanding the strength of acids and their ionization in water.
Answer
Formic acid.
The acid with the highest tendency to dissociate is formic acid.
Answer for screen readers
The acid with the highest tendency to dissociate is formic acid.
More Information
Formic acid (HCOOH) has a higher acid dissociation constant (Ka) than acetic acid and hydrocyanic acid, which indicates a stronger tendency to dissociate into its ions. Its relatively high Ka value indicates that it ionizes more in solution compared to the other acids listed.
Tips
A common mistake is to compare acids based solely on molecular structure without considering their dissociation constants. Always refer to Ka or pKa values for accurate comparison.
Sources
- Acid dissociation constant - Wikipedia - en.wikipedia.org
- Acid/Base Ionization Constants - gchem - gchem.cm.utexas.edu
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