Which of the following ions is commonly used as a reference electrode? (2020)

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Question: Which of the following ions is commonly used as a reference electrode? (2020)

Options:

Correct Answer: Ag+

Exam Year: 2020

Solution:

Silver ions (Ag+) are commonly used in reference electrodes, particularly in silver/silver chloride electrodes.

Which of the following ions is commonly used as a reference electrode? (2020)

Which of the following ions is commonly used as a reference electrode? (2020)

Step 1: Understand what a reference electrode is. A reference electrode is a stable electrode used to measure the potential of another electrode.
Step 2: Learn about common types of reference electrodes. There are several types, but some of the most common include the silver/silver chloride electrode and the calomel electrode.
Step 3: Identify the ions used in these electrodes. The silver/silver chloride electrode uses silver ions (Ag+) and chloride ions (Cl-).
Step 4: Recognize that silver ions (Ag+) are specifically mentioned as commonly used in reference electrodes.
Step 5: Conclude that the answer to the question is silver ions (Ag+), as they are widely used in reference electrodes.

No concepts available.