Question

which of the following metal can be obtained by the electrolytic reduction of aqua solution of their salts Al, Na, Cu and Ag?​

Answer 1

Answer:

Since Na and Al have negative values of reduction potentials this metals cannot be obtained by the electrolytic reduction of the aqueous solution of their salts on the other hand Cu and Ag having positive values of their reduction potentials can be obtained by the electrolytic reduction of the aqueous solution of their salts.