Question

Activity :
Perform the electrolysis of water experiment to illustrate decomposition reaction.

Question :
Why is the amount of gas collected in one of the test tubes in thus activity is double of the amount collected in the other ? Name the gas.

Also :
Explain Anode and Cathode. ​

Answer 1

Answer:

Water contains two parts of hydrogen and one part oxygen. Therefore, during the electrolysis of water the amount of hydrogen gas collected in one of the test tubes is double than that of the oxygen produced and collected in the other test tube.

Anode - The Anode is the negative or reducing electrode that releases electrons to the external circuit and oxidizes during and electrochemical reaction

Cathode - The Cathode is the positive or oxidizing electrode that acquires electrons from the external circuit and is reduced during the electrochemical reaction.

Explanation:

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Answer 2

Explanation:

Water contains two parts of hydrogen and one part oxygen. Therefore, during the electrolysis of water the amount of hydrogen gas collected in one of the test tubes is double than that of the oxygen produced and collected in the other test tube.