Q: Which one of the following is the correct order of reactivity of Mg, Al, Zn and Fe with HCl?
(a)Mg > Al > Zn > Fe
(b)Mg > Al > Fe > Zn
(c)Zn > Fe > Mg > Al
(d)Fe > Al > Zn > Mg
Correct Answer: (a)
The correct answer is (d) 'Fe > Al > Zn > Mg'. This question from the General Studies domain tests knowledge of Miscellaneous.