NTA Abhyas NEET2020ChemistryIonic EquilibriumPractice
For solution of weak electrolytic , the degree of ionization
Options
- AWill be reciprocal to the dilution
- BWill be proportional to dilution
- CWill be proportional to the square root of dilution
- DWill be proportional to concentration of electrolyte
Correct answer
C. Will be proportional to the square root of dilution
Step-by-step solution
Ostwald’s dilution formula is α 2 = K ( 1 - α ) / C but for weak electrolyte α is very small. So that ( 1 - α ) is neglected for weak electrolytes. So for weak electrolyte the dilution formula is α = K C .