Lab Activity: Titrimetric Analysis of KMnO4 Solution With Oxalic Acid

Only 2 mL of KMnO4 solution of unknown molarity is required to reach the end point of a titration of 20 mL of oxalic acid (2 M) in acidic medium. The molarity of KMnO4 solution should be ________ M.

Which indicator is commonly used in the titration of ${\mathrm{KMnO}}_4$ versus oxalic acid?

What is the purpose of using a white tile or paper underneath the flask during the titration?

What is the role of sulphuric acid $\left({\mathrm{H}}_2{\mathrm{SO}}_4\right)$ in the titration of ${\mathrm{KMnO}}_4$ solution with oxalic acid?

Why is it recommended performing a blank titration before the actual titration?

What precaution should be taken regarding the burette when titrating ${\mathrm{KMnO}}_4$ against oxalic acid?

Which piece of glassware is used to measure the volume of the oxalic acid solution?

Which of the following is not a chemical required for the titration of ${\mathrm{KMnO}}_4$ against oxalic acid?

What is the endpoint of the titration of ${\mathrm{KMnO}}_4$ against oxalic acid?

What is the primary reason for using freshly prepared oxalic acid in the titration of ${\mathrm{KMnO}}_4$?

What precaution should be taken regarding the burette during the titration of ${\mathrm{KMnO}}_4$ against oxalic acid?