Question

The metal that cannot displace hydrogen from dilute hydrochloric acid is

• A. Copper
• B. Zinc
• C. Aluminium
• D. Iron

Hint:

Metals that are more reactive than hydrogen can displace hydrogen from acids. Copper, being less reactive, cannot displace hydrogen.

Answer 1

The Correct Option is A

Copper is less reactive than hydrogen and cannot displace hydrogen from dilute hydrochloric acid. Zinc, aluminium, and iron are more reactive and can displace hydrogen.