A sample containing 1 mol `KHC_(2)O_(4).H_(2)C_(2)O_(4)` is titrated with different reagent. Select correct statement.
A. 1 mol of KOH are used
B. `(3)/(2)` moles of `Ba(OH)_(2)` are used
C. `(4)/(5)` mol of `KMnO_(4)` are used in alkaline medium
D. `2/(3)` mol of `K_(2)Cr_(2)O_(7)` are used in acidic medium
