A) strong electrolytes
B) weak electrolytes
C) both strong and weak electrolytes
D) none of the above
Correct Answer: B
Solution :
Ostwald dilution law is applicable only for weak electrolytes as strong electrolytes remains 100% ionised in all concentration but ionisation of a weak electrolyte increase with increase in dilution. At infinite dilution approaches zero and degree of dissociation approaches unity. \[\alpha =\frac{molar\text{ }conductivity\text{ }at\text{ }any\text{ }dilution}{molar\text{ }conductivity\text{ }at\text{ }infinite\text{ }dilution}\] \[=\frac{\wedge _{m}^{c}}{\wedge _{m}^{\infty }}\]
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