Q54. Only 2 mL of $\mathrm { KMnO } _ { 4 }$ 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 $\mathrm { KMnO } _ { 4 }$ solution should be
Q54. Only 2 mL of $\mathrm { KMnO } _ { 4 }$ 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 $\mathrm { KMnO } _ { 4 }$ solution should be