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During electrolysis of aqueous solution ...

During electrolysis of aqueous solution of `Na_2SO_4` using graphite electrode .........

A

Concentration of `Na_2SO_4` decreases.

B

Concentration of `Na_2SO_4` remains constant.

C

Concentration of `Na_2SO_4` increases.

D

Concentration of `Na_2SO_4` first increases and then decreases.

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • What will happen during the electrolysis of aqueous solution of CuSO_(4) by using platinum electrodes ?

    A
    Copper will deposit at cathode.
    B
    Capper will deposit at anode.
    C
    Oxygen will be released at anode.
    D
    Copper will dissolve at anode.

  • If electrolysis of aqueous solution of CuSO_(4) is carried out using graphite electrode, then what is the pH of solution of electrolytic cell ?

    A
    pH=14.0
    B
    `pH=9.0`
    C
    `pH=7.0`
    D
    `pH lt 7.0`

  • What will happen during the electrolysis of aqueous solution of CuSO_(4) in the presence of Cu electrodes ?

    A
    Copper will deposit at cathode.
    B
    Copper will dissolve at anode
    C
    Oxygen will be released at anode.
    D
    Copper will dissolve at anode.

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    Statement : Oxygen has liberated on anode when electricity pass through aqueous solution of Na_(2)SO_(4) in presence of it electrode. Reason : 2SO_(4(aq))^(2-)hArrS_(2)O_(8(aq))^(2-)+2e^(-) 2H_(2)O_((l))hArrO_(2(g))+4H_((aq))^(+)+4e^(-) standard potential of equation.

    Electrolysis of aqueous solution of Na_(2)SO_(4) is carried out in presence of graphite electrode.

    Which products are obtained on electrolysis of concentrated NaCl solution by using graphite as inert electrode ?

    During electrolysis of dilute aqueous CuSO_(4) solution by inert electrode, the pH of solution is . . .

    Which products are obtained on anode and cathode respectively when electrolysis of concentrated NaCl solution is carried out using graphite as electrodes ?

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