Identify the factor from the following that does not affect electrolytic conductance of a solution.
- The nature of the electrolyte added
- The nature of the electrode used
- Concentration of the electrolyte
- The nature of solvent used
The Correct Option is B
Approach Solution - 1
To determine which factor does not affect the electrolytic conductance of a solution, we need to understand the various factors that typically influence this property:
- The nature of the electrolyte added: The type of electrolyte significantly affects the conductance. Strong electrolytes (like NaCl) dissociate completely in solution, leading to high conductance, whereas weak electrolytes (like acetic acid) partially dissociate, resulting in lower conductance.
- The nature of the electrode used: This factor refers to the material from which the electrodes in an electrolytic cell are made. While the choice of electrode material can influence the kinetics of certain electrochemical reactions, it generally does not affect the conductance of the solution itself. Conductance is primarily determined by the properties of the electrolyte and solvent.
- Concentration of the electrolyte: The concentration affects conductance as it determines the number of ions in solution. Higher concentrations typically increase conductance to a point, beyond which conductance may decrease due to ion-ion interactions.
- The nature of the solvent used: The solvent can affect conductance since it determines the extent of ionization of the electrolyte. Solvents with a high dielectric constant, such as water, are better at dissociating electrolytes, enhancing conductance.
From this analysis, the factor that does not affect the electrolytic conductance of a solution is the nature of the electrode used. The conductance primarily depends on the electrolyte's properties, its concentration in the solution, and the solvent's nature, not on the electrode material.
Approach Solution -2
Conductivity of an electrolytic cell is affected by factors such as the concentration of the electrolyte, the nature of the electrolyte, and the nature of the solvent. However, the nature of the electrode used does not directly affect the electrolytic conductance of a solution.
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