Which of the following cannot be used as a st | vedclass

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(D) saturated $KCl$ solution is not typically used as a standard solution for conductivity calibration. The reason is that a saturated $KCl$ solution

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Saturated $KCl$

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(D) saturated $KCl$ solution is not typically used as a standard solution for conductivity calibration. The reason is that a saturated $KCl$ solution may have variable composition due to temperature changes,partial crystallization,and the difficulty in ensuring a uniform,reproducible concentration. Thus,it does not have a precisely known or easily reproducible conductivity value compared to the other standard concentrations. Conclusion: Out of the given options,the saturated $KCl$ solution (Option $D$) is not suitable for use as a standard solution in determining the cell constant because its concentration and thus its conductivity are not stable or easily reproducible.

Which of the following cannot be used as a standard solution for the determination of the cell constant of a conductivity cell?

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