5.The order of reactivity of metals is
a Zn > Hg > Mg
b. Zn> Mg > Hg
c. Hg>Mg>Zn
d. Mg > Zn > Hg
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Answered by
1
Answer:
The decreasing order of chemical reactivity is given below.
(most active) Na > Ca > Mg > Zn > Fe > Cu (least active)
Answered by
2
Answer:
The reactivity series lists metal compounds, including magnesium sulphur and lead, in their order of reactivity, with the least reactive at the top. Those at the top and bottom are most keen to react with other elements to form compounds. Less reactive metals will displace other metals from their compounds. I think it is option b
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