In a concentration cell, the two half-cells have: (2019)

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Question: In a concentration cell, the two half-cells have: (2019)

Options:

Correct Answer: Same electrodes but different concentrations

Exam Year: 2019

Solution:

In a concentration cell, the two half-cells have the same electrodes but different concentrations of the electrolyte.

In a concentration cell, the two half-cells have: (2019)

In a concentration cell, the two half-cells have: (2019)

Step 1: Understand what a concentration cell is. It is a type of electrochemical cell.
Step 2: Know that a concentration cell has two half-cells.
Step 3: Recognize that both half-cells use the same type of electrode material.
Step 4: Identify that the difference between the two half-cells is the concentration of the electrolyte solution.
Step 5: Remember that one half-cell has a higher concentration of the electrolyte than the other.

Concentration Cell – A type of electrochemical cell where the same electrodes are used but with different concentrations of the electrolyte, leading to a potential difference.
Electrolyte Concentration – The concentration of ions in the solution that affects the cell's voltage and reaction direction.
Electrode Identity – In concentration cells, the electrodes are identical, which distinguishes them from other types of electrochemical cells.