Question

Which element can displace other element from its salt solution?

Answer 1

Hi there,

◇ Any element precede the other element in the electrochemical series can displace that element in its salt solution

♤ As example

Na comes befor Zn in the series

Zn comes befor Cu so ,

Na can displace Zn in its solutions

Zn can displace Cu in its solution

● Equations

☆ 2Na + ZnCl2 = Zn + 2 NaCl

☆ Zn + CuSO4 = ZnSO4 + Cu

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