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If standard electrode potential of A=0.74V& that of B=0.32V,then which one will displace other from its salt solution?

If standard electrode potential of A=0.74V& that of B=0.32V,then which one will displace other from its salt solution?

Grade:12

1 Answers

Ramesh V
70 Points
13 years ago

A replaces B

explained with example:

When metallic zinc is introduced into a solution of copper dichloride, the green colour of the solution slowly fades, and a red layer of copper is deposited on the zinc. The zinc has evidently displaced the copper from the solution of its chloride:

 

CuCl2(aq) + Zn ® ZnCl2(aq) + Cu

Cu+2/Cu  ----->  E0 is  +0.159

Zn/Zn+2 -------> E0 is +0.763

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