7. Hydrogen is evolved when dilute HCl reacts with
magnesium, but nothing happens in the case of mercury
and silver. Explain.
Answers
Answered by
3
Answer:
Mercury and silver all are less reactive than Hydrogen by looking at the activity series. Instead they sometimes react with very concentrated sulfuric act to form their sulphates water and sulphur dioxide gas
Answered by
1
Answer:
the order of reactivity is K Na Ca Mg Al Zn Fe Pb H Cu Hg Au
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