POTENTIOMETRIC TITRATION

The electrode potentials are calculated by

• ILKOVIC EQUATION

• NERNST EQUATION

• STOKES EQUATION

• OHM LAW

Potentiometer is used to measure

• Absorbance

• Emission

• Cell potential

• Conductance

In acid-base potentiometric titrations, the indicator electrode used is

• Calomel electrode

• Hydrogen sensitive - glass electrode

• Silver-silver chloride electrode

• Metal-metal salt electrode

In potentiometric redox titration, the plot to find out equivalence point will have _____________on the Y axis

• ∆E / ∆V

• ∆E

• ∆V

• Volume to titrant

1. Which of the following is used as a reference electrode in potentiometric titration?

• • A) Platinum electrode

• • B) Calomel electrode

• • C) Glass electrode

• • D) Silver electrode

1. In a potentiometric titration, the equivalence point is determined by:

• • A) A sudden change in color

• • B) A sudden change in pH

• • C) A sudden change in potential

• • D) A sudden change in temperature

In potentiometric measurement the potential of the reference electrode

• keeps changing with conc of ions

• decreases

• remains constant

• increases

6. Which of the following is an advantage of potentiometric titration over traditional titration methods?

• • A) It is less accurate.

• • B) It does not require a visual indicator.

• • C) It is more time-consuming.

• • D) It is less sensitive.

6. In potentiometric titration, the potential measured is a function of:

• • A) Temperature

• • B) Concentration of the analyte

• • C) Pressure

• • D) Volume of the titrant

6. Which of the following is a common indicator electrode used in potentiometric titrations?

• • A) Silver-silver chloride electrode

• • B) Hydrogen electrode

• • C) Glass electrode

• • D) All of the above