MCQ
Which one of the following metals cannot evolve ${H_2}$from acids or ${H_2}O$ or from its compounds
- ✓$Hg$
- B$Al$
- C$Pb$
- D$Fe$
✓
Answer
Correct option: A.
$Hg$
a
(a)$Hg$ has greater reduction potential than that of ${H^ + }$and hence cannot displace hydrogen from acid.
(a)$Hg$ has greater reduction potential than that of ${H^ + }$and hence cannot displace hydrogen from acid.
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