Q. Ion selective electrode are unaffected by colour or turbidity of the solution.

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Q. Which of the following is not a problem of ion selective electrodes?

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Q. Which of the following is the effective concentration measured at the electrode head?

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Q. The value of activity coefficient is always in which of the following ranges?

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Q. Which of the following specifies the relation between ionic strength and activity coefficient?

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Q. The difference between measured activity and actual concentration becomes higher at higher concentration. Is this statement true or false?

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Q. Ion selective electrodes have ________ linear range and _________ detection limit than the pH electrode.

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Q. In Ammonia electrode, diffusion of dissolved ammonia occurs through the membrane until which of the following conditions occur?

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Q. When electrode potential response is plotted as a function of ammonia concentration on a semi-log graph, the graph obtained will be ____________

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Q. How can samples above 1M in ammonia concentration be measured using ammonia electrode?

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Q. The dilution of solution must not reduce the level of ammonia below _________

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Q. Which of the following factors does not the reproducibility of the ammonia electrode?

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Q. The performance of ammonia electrode is not affected by sample colour and turbidity.

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Q. In fluoride ion electrode, the potential corresponding to level of the fluoride ion is described by which of the following equations when E is the measured electrode potential, E₀ is the reference potential and A is the level of fluoride ions in solution?

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Q. What does TISAB which is used to overcome interferences stand for?

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Q. Which of the following causes main interference in Fluoride electrode?

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Q. Crystal membrane of ion selective electrode can be regenerated by washing with which of the following?

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Q. For fluoride electrode, the electrode response curve will not only shift but will change slope with changes in temperature.

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Q. Which of the following gas permeable membrane is used for ammonia gas sensing electrode?

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Q. Which of the following gas permeable membrane is used for carbon dioxide gas sensing electrode?

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