Question 452 of 513
Balance: Zn + HCl → ZnCl2 + H2
- Zn + 2HCl → ZnCl2 + H2
- Zn + HCl → ZnCl2 + H2
- 2Zn + HCl → 2ZnCl2 + H2
- Zn + HCl2 → ZnCl2 + H2
Correct Answer:
A
Explanation
Zn reacts with 2HCl to form ZnCl2 and H2 gas. Balanced: Zn + 2HCl → ZnCl2 + H2.