1. The unit of specific conductance (conductivity) is:
2. On dilution, the specific conductance of a solution of a weak electrolyte:
3. Kohlrausch’s law of independent migration of ions is applicable to:
4. The cell constant of a conductivity cell is defined as:
5. The equivalent conductance of a strong electrolyte on dilution:
6. The relationship between molar conductance (Λm) and specific conductance (κ) for a solution of concentration C (in mol/L) is:
7. Which of the following has the highest ionic mobility in an aqueous solution at infinite dilution?
8. The exceptionally high ionic mobility of H⁺ ions in water is explained by the:
9. The degree of dissociation (α) of a weak electrolyte is related to its molar conductivity (Λm) and limiting molar conductivity (Λ°m) by the expression:
10. The conductance of a solution is measured using an AC source instead of a DC source to:
11. Walden’s rule states that for a given ion, the product of its limiting ionic conductance and the viscosity of the solvent is:
12. The specific conductance (κ) is related to resistance (R) and cell constant (G*) by the equation:
13. The Debye-Hückel-Onsager equation describes the variation of:
14. The unit of ionic mobility is:
15. The hindrance to the movement of an ion due to the oppositely charged ionic atmosphere is known as the:
16. Equivalent conductance is the conducting power of all the ions produced by dissolving:
17. Which of the following is NOT a strong electrolyte?
18. The drag on an ion’s movement caused by the solvent molecules moving in the opposite direction is known as the:
19. If the specific conductance of a 0.1 N KCl solution is 0.012 S cm⁻¹, its equivalent conductance is:
20. As temperature increases, the conductivity of an electrolytic solution:
21. The instrument commonly used for the precise measurement of the conductance of a solution is a:
22. The limiting molar conductivity of NH₄OH can be calculated using the values of Λ°m for:
23. Ostwald’s dilution law is applicable only to:
24. The sum of the transport numbers of the cation and the anion in a given electrolytic solution is always:
25. Which factor decreases the conductivity of an electrolytic solution?
