Question

Which of the following does not react with hydrochloric acid to give chlorine?

विकल्प

• KMnO₄

• MnO₂

• K₂Cr₂O₇

• Mg

Answer 1

Mg

Explanation:

Magnesium (Mg) is a reactive metal that undergoes a displacement reaction with HCl to yield magnesium chloride and hydrogen gas (H₂) instead of chlorine.