Electrolytic Conductance of Acids, Bases, and Salts
Chemistry ⇒ Acids, Bases, and Salts
Electrolytic Conductance of Acids, Bases, and Salts starts at 10 and continues till grade 12.
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See sample questions for grade 11
A solution of acetic acid shows much lower conductance than that of HCl at the same concentration. Give a reason.
A student measures the conductance of 0.1 M NaCl and 0.1 M CH₃COOH. The conductance of NaCl is much higher. Explain why, based on the nature of the electrolytes.
Describe how you would determine the molar conductance at infinite dilution for a weak electrolyte using Kohlrausch’s Law.
Explain the difference between specific conductance and molar conductance.
Explain why the conductance of a 0.1 M NaOH solution is higher than that of a 0.1 M NH₄OH solution.
Explain why the conductance of a solution increases with dilution.
A student measures the conductance of 0.1 M NaCl and 0.1 M CH₃COOH. The conductance of NaCl is much higher. Explain why, based on the nature of the electrolytes.
A student prepares two solutions: one of 0.1 M KNO3 and another of 0.1 M BaCl2. Both are at the same temperature. Which solution will have higher conductance and why?
Which of the following factors does NOT affect the electrolytic conductance of a solution?
(1) Temperature
(2) Nature of solvent
(3) Colour of solution
(4) Concentration of ions
Which of the following is NOT a strong electrolyte?
(1) NaOH
(2) H₂SO₄
(3) CH₃COOH
(4) KCl
Which of the following is true about the conductance of pure water?
(1) It is very high
(2) It is very low
(3) It is the same as that of NaCl solution
(4) It is higher than that of HCl solution
Which of the following pairs of ions has the highest ionic mobility at infinite dilution?
(1) Na⁺ and Cl⁻
(2) H⁺ and OH⁻
(3) K⁺ and NO₃⁻
(4) Ca²⁺ and SO₄²⁻
Fill in the blank: The _______ of an electrolyte is the reciprocal of its resistance.
The cell constant is defined as the ratio of the _______ between the electrodes to the _______ of the electrodes.
The conductance of a solution is measured in _______.
The molar conductance of a solution is calculated by dividing the specific conductance by the _______ of the solution in moles per litre and multiplying by 1000.
True or False: At infinite dilution, the molar conductance of all strong electrolytes becomes constant.
True or False: Strong acids and strong bases are good electrolytes because they ionize completely in water.
True or False: The conductance of a salt solution depends only on the concentration of the salt.
True or False: The conductance of a solution is directly proportional to the number of ions present in the solution.
