The correct options are
A x and y are 4 and 3 respectively
C In (i), H2O2 acts as a oxidising agent
D In (ii), H2O2 acts as a redusing agent
(i)[Fe+2(CN)6]4−+H2O2+H+→[Fe+3(CN)6]3−+H2OH2O2actsasoxidisingagent,x=4,y=3.(ii)[Fe+3(CN)6]3−+H2O2+OH−→[Fe+2(CN)6]4−+O2H2O2actsasreducingagent,p=3,q=4.