. What will you observe when copper (Cu) is kept in hydrochloric acid (HCl)
A: Slow release of H2 gas
B: Vigorous release of H2 gas
C: Release of water in the form of vapour.
D: No reaction
Best Answer
Explanation:
- The reactivity series is in the order: Pb>H>Cu
- Thus, Cu is below hydrogen and can't displace it. So no reaction would take place between Cu and HC1.
Final answer:
The correct option is D: No reaction
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