Volume V1 ml of 0.1 M K2Cr2O7 is needed for complete oxidation of 0.678g N2H2 in acidic mediums. The volume of 0.3 M KMnO4 needed for same oxidation in acidic medium will be Share with your friends Share 0 Raveena Sharma answered this The solution is as follows: M1V1 = M2V2 0.1×V1 = 0.3×V2 V2 = 13V1 -3 View Full Answer