Among the following pair of metal ions present in Nature, the first one functions as an electrontransfer agent and the second one catalyzes the hydrolysis reactions. The correct pair is
(a)Fe and Zn
(b)Mg and Fe
(c)Co and Mo
(d)Ca and Cu
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
Fe is the electron-transfer metal; Zn (Lewis acid) catalyses hydrolysis (a).