Redox Titration

In a redox titration, what is the equivalence point?

• The point where the solution changes colour

• The point where the moles of oxidant equal the moles of reductant

• The point where the solution reaches its maximum concentration

• The point where the solution becomes neutral

In a redox titration, what is the role of the titrant?

• To act as a solvent

• To react with the analyte

• To change the colour of the solution

• To neutralise the solution

In a redox titration, what is the role of the analyte?

• To act as a solvent

• To react with the titrant

• To change the colour of the solution

• To neutralise the solution

Which of the following is a primary standard used in redox titrations?

• Sodium chloride

• Potassium permanganate

• Sodium hydroxide

• Oxalic acid

In a redox titration, what is the purpose of a standard solution?

• To act as a solvent

• To provide a known concentration for comparison

• To neutralise the solution

• To change the colour of the solution

Which of the following is a common oxidising agent used in redox titrations?

• Sodium chloride

• Potassium permanganate

• Sodium hydroxide

• Ethanol

In a redox titration involving potassium permanganate and oxalic acid, what is the colour change observed at the endpoint?

• Colourless to pink

• Pink to colourless

• Blue to green

• Yellow to red

Which of the following is a common reducing agent used in redox titrations?

• Potassium permanganate

• Sodium thiosulfate

• Hydrogen peroxide

• Sulfuric acid

In a redox titration involving iodine and sodium thiosulfate, what is the colour change observed at the endpoint?

• Colourless to blue

• Blue to colourless

• Yellow to red

• Red to yellow

In volumetric analysis, what is the role of an indicator?

• To increase the reaction rate

• To provide a colour change at the endpoint

• To act as a catalyst

• To dissolve the solute