discuss Merits and demerits of using hydrogen electrode as reference electrode

1 answer

Merits of using hydrogen electrode as a reference electrode:

1. Stable potential: The hydrogen electrode has a stable and well-defined potential, making it ideal for use as a reference electrode in electrochemical measurements.

2. Wide range of applications: The hydrogen electrode can be used in a wide range of electrochemical studies, including those involving acidic, neutral, or alkaline solutions.

3. Inexpensive: Hydrogen electrodes are relatively inexpensive to manufacture and are readily available, making them a cost-effective option for use as a reference electrode.

4. Easy to prepare: The hydrogen electrode can be easily prepared in the laboratory, making it accessible to researchers and scientists.

Demerits of using hydrogen electrode as a reference electrode:

1. Not suitable for all applications: While the hydrogen electrode is versatile, it may not be suitable for all electrochemical studies, particularly those involving non-aqueous solutions or extreme pH conditions.

2. Sensitivity to impurities: The hydrogen electrode can be sensitive to impurities in the electrolyte solution, which can affect the accuracy of the measurements.

3. Requires careful maintenance: The hydrogen electrode requires careful maintenance and calibration to ensure accurate and reliable measurements.

4. Limited temperature range: The hydrogen electrode has a limited temperature range in which it can be used effectively, which may restrict its use in certain experimental conditions.