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The given figure shows the most commonly...

The given figure shows the most commonly employed method for the purification of metals.

When an aqueous solution containing ions of metal M is electrolysed .

A

M forms negative ions

B

M ions gain electrons at the cathode

C

Pure M is deposited at the anode

D

Cathode becomes thinner as the process proceeds.

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Which of the following metal ions is colored in aqueous solution ?

    A
    `Sc^(3+)`
    B
    `Ti^(4+)`
    C
    `Zn^(2+)`
    D
    `V^(4+)`

  • Which one of the transittion metal ions is coloured in aqueous solution?

    A
    `Cu^(+)`
    B
    `Zn^(2+)`
    C
    `Sc^(3+)`
    D
    `V^(4+)`

  • The following are some of the methods commonly employed for the extraction of metals from their ores. Which of the following methods is generally employed for the extraction of sodium?

    A
    Reduction of an oxide with coke.
    B
    Electrolysis of an aqueous solution of a chloride
    C
    Electrolysis of a molten chloride.
    D
    Reduction of a chloride with more reactive metal.

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