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Q.

Is it true that hydrogen gas is liberated at the anode during the electrolysis of water?


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a

True

b

False  

answer is B.

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Detailed Solution

The above statement is false.
During the electrolysis of water, hydrogen gas is liberated at the cathode in the negative terminal. When an electric current is passed through the electrolysis solution, it liberates oxygen and hydrogen gas. As a result, the cathode gains the electrons which were lost by the ions.
The correct statement would be that hydrogen and oxygen gas are liberated at the anode during water electrolysis.
 
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