During electrolysis of carbonate (${C{O}_3}^{-2}$), nitrate (${N{O}_3}^{-1}$) and sulphate (${S{O}_4}^{-2}$) based electrolyte, the gas that is formed at anode is ____________.

Q. During the electrolysis of copper (Ⅱ) sulphate solution using platinum as cathode and carbon as anode​ “State the change noticed in the electrolyte”.

Q. During electrolysis of copper sulphate, ___ gets formed at the anode.

Q. During electrolysis of copper sulphate, bubbles are formed at the anode.

Q. During the electrolysis of copper (Ⅱ) sulphate solution using platinum as cathode and carbon as anode​ “Write the reactions at the cathode and at the anode”.

Q.

(a) Give reason: The electrolysis of acidulated water is considered to be an example of catalysis.

(b) During the electrolysis of copper [II] sulphate solution using platinum as cathode and carbon as anode

(i) State what you observe at the cathode and at the anode

(ii) State the change noticed in the electrolyte

(iii) Write the reactions at the cathode and at the anode.

(c) Differentiate between electrical conductivity of --- copper sulphate solution and of copper metal.