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During electrolysis of acidfied water , ...

During electrolysis of acidfied water , oxygen gas is produced at ________ .

A

Cathode,anode

B

Anode, cathode

C

Cathode,cathode

D

Anode, cathode

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A
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Knowledge Check

  • During electrolysis of NaOH

    A
    `H_(2)` is liberarted at cathode
    B
    `O_(2)` is liberated at cathode
    C
    `H_(2)` is liberated at anode
    D
    `O_(2)` is liberated at anode.

  • Water gas is produced by

    A
    passing steam over the red hot coke
    B
    Passing steam and air over red hot coke
    C
    burning coke in excess of air
    D
    burning coke in limited supply of air

  • Water gas is produced by

    A
    passing steam through a red hot coke bed
    B
    saturing hydrogen with moisture
    C
    mixing oxygen and hydrogen in the ratio of `1 : 2`
    D
    heating a mixture of `CO_(2)` and `CH_(4)` in petroleum refineries

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