Which of the following metals does not liberate H2 from dilute H2SO4?
Which of the following metals does not liberate H2 from dilute H2SO4?
(a) Zn
(b) Al
(c) Cu
(d) Mg
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Correct option (c) Cu
Explanation:
Cu is below hydrogen in the electrochemical series, so it cannot liberate H2 from dilute H2SO4.
E°(Cu2+/Cu)=+0.34V
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