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When the sample of Cu with Zn as impurit...

When the sample of Cu with Zn as impurity is to be purified by electrolysis, the appropriate electrodes are :

A

`{:("Cathode","Anode"),("Pure Zn","Pure Cu"):}`

B

`{:("Cathode","Anode"),("Impure sample","Pure Cu"):}`

C

`{:("Cathode","Anode"),("Impure Zn","Impure sample"):}`

D

`{:("Cathode","Anode"),("Pure Cu","Impure sample"):}`

Text Solution

Verified by Experts

The correct Answer is:
D
Pure Cu acts as cathode while impure sample is in the form of anode.
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Knowledge Check

  • When the sample of copper with Zn impurity is to be purified by electrolysis, the approprite electrode are

    A
    `{:(,,"Cathode","Anode"),(,"1)","Pure copper","Impure sample"):}`
    B
    `{:(,,"Cathode","Anode"),(,"2)","Pure zinc","Pure copper"):}`
    C
    `{:(,,"Cathode","Anode"),(,"3)","Impure sample","Pure copper"):}`
    D
    `{:(,,"Cathode","Anode"),(,"4)","Impure zinc","Impure sample"):}`

  • When the sampleofcopperwith zinc impurity is to be purified by electrolysis, the appropriate electrodes are

    A
    `{:("Cathode","Anode"),("pure zine","pure copper"):}`
    B
    `{:("Cathode","Anode"),("impure sample","pure copper"):}`
    C
    `{:("Cathode","Anode"),("impure zine","impure sample"):}`
    D
    `{:("Cathode","Anode"),("pure copper","impure sample"):}`

  • When the sample of copper with zinc impurityn is to be purified by electrolysis, the appropriate electrode are .

    A
    pure zinc as cathode and pure copper as anode
    B
    impure sample as cathode and pure copper as anode
    C
    impure sample as cathode and pure copper as anode
    D
    pure copper as cathode and impure sample as anode