Look at the diagram which shows electrolysis of water and answer the following questions.
What is produced at positive carbon electrode (anode) ?

O x y g e n

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C a r b o n d i o x i d e

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O z o n e

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C a r b o n m o n o x i d e

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Solution

The correct option is A $O x y g e n$
$O^{2 -}$ , being negative ion, move toward the positive electrode (anode) and gets oxidised at the positive electrode to produce oxygen gas $(O_{2})$ .

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