Role of hydrogen peroxide iin the following reaction is respectively.
`(i)" " H_(2)O_(2) +O_(3) rarr H_(2)O+2O_(2)`
`(ii)" " H_(2)O_(2)+Ag_(2)Orarr 2Ag+H_(2)O+O_(2)`
A. oxidizinig in `(i)` and reducing in `(ii)`
B. reducing in `(i)` and oxidizing in `(ii)`
C. reducing in `(i)` and `(ii)`
D. oxidizing in `(i)` and `(ii)`