H_(2)C_(2)O_(4) and KHC_(2)O_(4) behave both as acids and reductants. Amongst the following, the true statement(s) is/are

H_(2)C_(2)O_(4) and KHC_(2)O_(4) behave both as acids and reductants.

1.	H_(2)C_(2)O_(4) and KHC_(2)O_(4) behave both as acids and reductants. Amongst the following, the true statement(s) is/are
Answer» Equal volumes of 1 M solution of each is oxidised by equal volumes of 1 M `KMnO_(4)` Their equivalent masses are equal to respective molecular masses when BEHAVING as reducing agents V ML of 1 M solution of each is neutralized by equal volumes of 1 M NaOH V ml of 1 N solution of each (as an ACID) is neutralized by equal volumes of 1 M `Ca(OH)_(2)`. Solution :In the first titration Eq. HCl = `(1)/(2)` eq `NC_(2)CO_(3)` `(x xx0.05)/(1000)=(1)/(2)xx(0.050xx40xx2)/(1000)impliesx=40ml` In the SECOND titration Eq of HCl = Eq `NC_(2)CO_(3)+` Eq `NKHCO_(3)` `(yxx0.05)/(1000)=(40xx0.05xx2)/(1000)+(40xx0.05xx1)/(1000)` `y=120implies y-x=80`