give the two reactions taking place at anode and cathode during electrolysis of impure copper

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$E l e c t r o l y s i s u s e s i m p u r e c o p p e r a n o d e, p u r e c o p p e r c a t h o d e a n d e l e c t r o l y t e a s c o p p e r (I I) s u l p h a t e . A t a n o d e : C u \to C u^{2 +} + 2 e^{-} A t c a t h o d e : C u^{2 +} + 2 e^{-} \to C u$

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Q. Assertion: Starting from aq. copper [II] sulphate solution, equations for the reactions at the cathode and anode during electrolysis of aq.

C u S O_{4}

using active copper electrodes is;
at anode:

C u^{+ 2} + 2 e^{-} \to C u

at cathode:

C u \to C u^{+ 2} + 2 e^{-}

Reason: Oxidation always take place at anode and reduction at cathode.

Which of the following statements are correct?

a) The electrolysis of aqueous NaCl produces hydrogen gas at the cathode and chlorine gas at the anode .

b) The electrolysis of a $C u S O_{4}$ solution using Pt electrodes causes the liberation of $O_{2}$ at the anode and the deposition of copper at the cathode .

c) Oxygen and hydrogen are produced at the anode and cathode during the electrolysis of dilute aqueous solution of $H_{2} S O_{4}$ .

d) All electrolytic reactions are redox reactions .

Q. During the electrolysis of copper [II] sulphate solution using platinum as cathode & carbon as anode, the reactions at the cathode is :

Q. During the electrolysis of copper sulphate aqueous solution using copper electrode, the reaction taking place at the cathode is:

(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.

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​give the two reactions taking place at anode and cathode during electrolysis of impure copper

Electrolysis uses impure copper anode, pure copper cathode and electrolyte ascopper(II) sulphate.At anode : Cu →Cu2+ + 2e-At cathode : Cu2+ + 2e- → Cu

give the two reactions taking place at anode and cathode during electrolysis of impure copper

$E l e c t r o l y s i s u s e s i m p u r e c o p p e r a n o d e, p u r e c o p p e r c a t h o d e a n d e l e c t r o l y t e a s c o p p e r (I I) s u l p h a t e . A t a n o d e : C u \to C u^{2 +} + 2 e^{-} A t c a t h o d e : C u^{2 +} + 2 e^{-} \to C u$