What is the primary advantage of ion-selective electrodes over inert-indicator electrodes in potentiometry?a)Ion-selective electrodes provide faster results.b)Ion-selective electrodes respond to all ions in the solution.c)Ion-selective electrodes can selectively respond to specific ions.d)Ion-selective electrodes are more durable.Correct answer is option 'C'. Can you explain this answer?

Question

Answer

The primary advantage of ion-selective electrodes is that they can selectively respond to specific ions in the solution, making them highly selective for particular analytes.

Answer

Advantage of Ion-Selective Electrodes over Inert-Indicator Electrodes:

Advantages of ion-selective electrodes over inert-indicator electrodes in potentiometry include:

Selective Response:
Ion-selective electrodes have the ability to selectively respond to specific ions present in the solution. This allows for more accurate and targeted measurements of the ion of interest, without interference from other ions in the sample.

Accuracy:
Due to their selective response, ion-selective electrodes provide more accurate results compared to inert-indicator electrodes. This is particularly important in analytical chemistry applications where precise measurements are required.

Minimal Interference:
Ion-selective electrodes reduce the likelihood of interference from other ions present in the solution, leading to more reliable and consistent measurements. This is especially beneficial when analyzing complex samples with multiple ions.

Wide Range of Applications:
Ion-selective electrodes can be used for a variety of ions, making them versatile tools in analytical chemistry. They are commonly employed in fields such as environmental monitoring, pharmaceuticals, and food testing.

Longevity:
Ion-selective electrodes are known for their durability and longevity, providing reliable performance over an extended period of time. This makes them cost-effective and practical instruments for routine measurements.

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