which one of the following element will levitate hydrogen from dilute sulphuric acid and why ? sulphur ,zinc, carbon and silicon
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Explanation:
Cu cannot displace H
2
from dilute hydrochloric acid because it is below hydrogen in electrochemical series.
A more reactive element can displace a less reactive element from its salt solution.
The metals above hydrogen in the activity series react with dilute sulphuric acid and dilute hydrochloric acid to liberate hydrogen. The metals below hydrogen in the activity series cannot do that.
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