Question

Reaction at cathode during Electrolysis of nickel sulphate using nickel electrodes

Answer 1

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Ni----> Ni+ + e-

$\huge{\underline{\bf\green{ Oxidation }}}$

${\boxed{\bf\blue{ BRAINLY }}}$

Answer 2

Answer:

Explanation:

Reaction at the cathode: Two nickel ions with a charge of +2, will be reduced to nickel metal. Since the solution is concentrated, nickel will have preference over the hydrogen ions in solution. Reaction at anode: 4 hydroxide ions (OH-) will be oxidised to form 2 molecules of water and one oxygen molecule