The O2 coordinated to metal ion centres in oxy-myoglobin and oxy-hemocyanin exists, respectively

Q. The O2 coordinated to metal ion centres in oxy-myoglobin and oxy-hemocyanin exists, respectively, as

(A) superoxide and peroxide

(B) superoxide and superoxide

(C) peroxide and peroxide

(D) superoxide and oxygen

Ans: superoxide and peroxide