Which one of the following metal can displace lead from lead nitrate?
a) silver
B) mercury
c) copper
D) zinc
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D) Zinc
One when metal replaces the other metal on reaction, this process is called displacement reaction.
In which the more reactive metal takes place of the metal which is less reactive than it from its salt.
Here from the given options, we know that the reactivity order of elements is as follows:
Zn>Pb>Cu>Hg>Ag
from this, we can conclude that only Zn that is zinc is more reactive than Pb that is lead.
Therefore, a metal that can displace lead from lead nitrate will be zinc.
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