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4 votes
Which metal works best to displace hydrogens from acid?

A. Mercury
B. Lead
C. Gold
D. Iron

2 Answers

7 votes

the correct answer is D

User Lokesh Kumar
by
6.8k points
1 vote
The correct answer is Iron. That is because it's higher than hydrogen in the reactivity series, and all other that are there can do it too. This includes things like things like Zinc too. Things that are positioned lower can't do this, which includes the ones you mentioned and others.
User AkashG
by
6.7k points