Which one of the following is the correct order of reactivity of Mg, Al, Zn and Fe with HCl?
- A. Mg \gt Al \gt Zn \gt Fe ✓
- B. Mg \gt Al \gt Fe \gt Zn
- C. Zn \gt Fe \gt Mg \gt Al
- D. Fe \gt Al \gt Zn \gt Mg
Correct Answer: A. Mg \gt Al \gt Zn \gt Fe
Explanation
According to the metal reactivity series, the decreasing order of reactivity with acids is Magnesium \gt Aluminum \gt Zinc \gt Iron.
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