Consider the reactions
(A) H2O2 + 2HI → I2 + 2H2O
(B) HOCl + H2O2 → H3O+ + Cl– + O2
Which of the following statements is correct about H2O2 with reference to these reactions? Hydrogen perioxide is ________.
(i) an oxidising agent in both (A) and (B)
(ii) an oxidising agent in (A) and reducing agent in (B)
(iii) a reducing agent in (A) and oxidising agent in (B)
(iv) a reducing agent in both (A) and (B)
