Which of the following reactions show the reducing property of hydrochloric acid?

Chemistry · Class 12 · CBSE — The d- and f-Block Elements

1. ZnCO₃ + 2HCl → ZnCl₂ + H₂O + CO₂
2. Mg + 2HCl → MgCl₂ + H₂
3. MnO₂ + 4HCl → MnCl₂ + 2H₂O + Cl₂
4. NH₄OH + HCl → NH₄Cl + H₂O

Answer

(C) MnO 2 + 4HCl → MnCl 2 + 2H 2 O + Cl 2

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