Arrange the following according to the instruction given in the bracket : Mg2+, Cu2+, Na1+, H1+ [In the order of preferential discharge at the cathode. ]

Question

Arrange the following according to the instruction given in the bracket : Mg2+, Cu2+, Na1+, H1+

Flash Institute · Accepted Answer

Cu2+, H1+, Mg2+, Na1+
Lower the position of the ion, greater the tendency to be liberated at the cathode (or respective electrode).