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Which of the following will be able to r...

Which of the following will be able to react with dilute HCl to give hydrogen gas?

A

Cu

B

Mg

C

Hg

D

`Ag`.

Text Solution

Verified by Experts

The correct Answer is:
B
Mg lies above `H_(2)` in the activity series
`Mg+2H^(+)rarrMg^(2+)+H_(2)` has positive Emf.
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