Question

Which of the following reactions will not take place at cathode?

• A. $A{g}^{+}\to Ag-e^{-}$
• B. $F{e}^{2+}\to F{e}^{3+}+e^{-}$
• C. $C{u}^{2+}+2e^{-}\to Cu$
• D. $A{l}^{3+}\to Al-3e^{-}$

Answer 1

Answer: (B)

It is an oxidation reaction. Reduction takes place at cathode.