12 Questions
What is the role of the calomel electrode in laboratories?
Determining the single electrode potential
How does the electrode potential of the calomel electrode change with increasing chloride ion concentration?
Decreases
What application does the calomel electrode have in pH determination?
Serving as a reference electrode with glass electrode
At 298K, what is the electrode potential of the calomel electrode for a saturated KCl concentration?
0.2422 V
Which type of electrode is used in the determination of pH?
Calomel electrode
What is another name for the auto catalytic reduction method of plating?
Electroless plating
Which factor accounts for a lower corrosion rate?
Large anodic area
What is essential in electroless plating?
Reducing agent
What is the E.M.F of the concentration cell at 250 C?
0.1773 V
What is the cathode reaction in the concentration cell?
Ag+ (aq) (10 M) + e- → Ag (s)
What is the construction of a Calomel electrode?
Mercury placed at the bottom of a glass tube with a solution of KCl above it
What is the purpose of a reference electrode in electrochemistry?
To measure the electrode potential of other electrodes
Learn about the working of the calomel electrode and how it can act as an anode or cathode depending on the nature of the other electrode in the cell. Understand the reactions involved when the calomel electrode acts as an anode or cathode.
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