WorksheetsPotentiometry Multiple Choice Exam ng baby ko
Total questions: 20
Worksheet time: 10mins
Potentiometry is a technique used to measure:
The concentration of a solution
The refractive index of a substance
The specific rotation of a compound
The boiling point of a liquid
The potential of an electrochemical cell is directly related to:
The temperature of the solution
The concentration of the analyte ions
The pressure of the system
The volume of the solution
A reference electrode is used to:
Measure the potential of the analyte solution
Provide a stable reference potential
Act as a counter electrode
All of the above
The Nernst equation relates the potential of an electrochemical cell to:
The concentration of the analyte ions
The temperature
The standard reduction potential
All of the above
The indicator electrode in potentiometry:
Maintains a constant potential
Selects for a specific ion
Acts as a counter electrode
All of the above
A common type of reference electrode is:
Standard hydrogen electrode
Silver-silver chloride electrode
Calomel electrode
All of the above
Which of the following is not a type of potentiometric titration?
Acid-base titration
Redox titration
Precipitation titration
Gravimetric titration
The endpoint of a potentiometric titration is determined by:
A color change
A sudden change in potential
The formation of a precipitate
The appearance of a turbidity
The pH meter is a specialized type of:
Potentiometer
Refractometer
Polarimeter
Spectrophotometer
Ion-selective electrodes are used to measure:
The concentration of specific ions
The pH of a solution
The redox potential
All of the above
The glass electrode is commonly used to measure:
pH
Chloride ions
Potassium ions
Sodium ions
The main advantage of potentiometric titrations over indicator titrations is:
They are more accurate
They can be used for colored or dilute solutions
They are easier to perform
All of the above
The Nernst equation is used to calculate the:
Potential of an electrochemical cell
Concentration of the analyte ions
Standard reduction potential
Temperature
The indicator electrode in a potentiometric titration is:
Always a glass electrode
Selected based on the analyte being measured
Always a metal electrode
Always a reference electrode
Potentiometry can be used to determine the concentration of:
Hydrogen ions
Metal ions
Anions
All of the above
A common type of ion-selective electrode is:
Glass electrode
Silver-silver chloride electrode
Calomel electrode
All of the above
The reference electrode in a potentiometric cell provides:
A constant potential
A variable potential
A measure of the analyte concentration
A measure of the pH
Potentiometric titrations are often performed using:
A burette
A pipette
A pH meter
All of the above
The slope of a potentiometric titration curve is related to:
The concentration of the analyte
The strength of the acid or base
The volume of the titrant added
All of the above
Potentiometry is a versatile technique used in various fields, including:
Environmental analysis
Food analysis
Pharmaceutical analysis
All of the above
