Strong Acid vs Weak Acid — Difference (with Table)
Strong Acid vs Weak Acid compared side by side — a 6-row comparison table and 4 key points. Class 10 Chemistry, free and no sign-up.
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TL;DR: Strong Acid vs Weak Acid compared side by side — a 6-row comparison table and 4 key points. Class 10 Chemistry, free and no sign-up.
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The main difference between Strong Acid and Weak Acid: A strong acid completely dissociates in water, releasing all hydrogen ions, while a weak acid partially dissociates and establishes an equilibrium with its
Strong Acid vs Weak Acid — Comparison Table
| Basis | Strong Acid | Weak Acid |
|---|---|---|
| Dissociation | Completely dissociates in water | Partially dissociates in water |
| Equilibrium | No equilibrium, complete dissociation | Establishes equilibrium with undissociated molecules |
| pH Value | Very low pH (less than 2) | Higher pH (between 2 and 7) |
| Conductivity | Good conductor of electricity | Poor conductor of electricity |
| Examples | HCl, H2SO4, HNO3 | CH3COOH, HCN, H2CO3 |
| Concentration of Ions | High concentration of H+ ions | Low concentration of H+ ions |
Key Points
- Strong acids like HCl completely ionize while weak acids like acetic acid partially ionize
- The strength of an acid is determined by its degree of dissociation not its concentration
- Weak acids are reversible and can establish equilibrium with their conjugate bases
- A dilute strong acid can have higher pH than a concentrated weak acid