Question

Ostwald dilution law is applicable to

• A. strong electrolytes only
• B. weak electrolytes only
• C. non-electrolytes only
• D. strong as well as weak electrolytes

Answer 1

Answer: (B)

weak electrolytes only

Answer 2

Ostwald dilution law is applicable to weak electrolytes.
For weak electrolyte:
$\alpha \propto \sqrt{V} \alpha=\sqrt{K V} \alpha=\sqrt{\frac{K}{C}}$