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

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Q: 98 (CDS-I/2024)
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

question_subject: 

Science

question_exam: 

CDS-I

The reactivity of metals with HCl follows the series: Mg > Al > Zn > Fe. Magnesium reacts vigorously, while aluminum also reacts but more slowly. Zinc shows moderate reactivity, and iron reacts the least vigorously among these metals.