Question

Explain electrolysis of water?​

Answer 1

Answer:

Electrolysis of water is the decomposition of water (H2O) into oxygen (O2) and hydrogen gas (H2) due to an electric current being passed through the water.

An electrical power source is connected to two electrodes, or two plates (typically made from some inert metal such as platinum, stainless steel or iridium) which are placed in the water. Hydrogen will appear at the cathode (the negatively charged electrode, where electrons enter the water), and oxygen will appear at the anode (the positively charged electrode). Assuming ideal faradaic efficiency, the amount of hydrogen generated is twice the amount of oxygen, and both are proportional to the total electrical charge conducted by the solution.

Above is the simple setup for electrolysis of water.

Answer 2

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Explain electrolysis of water?

➜ Electrolysis of water is the chemical reaction in which the decomposition of hydrogen and oxygen gases is carried by passing an electric current.

Following is the equation of electrolysis of water:

2H2O + Electrical energy → O2 + 2H2

The number of hydrogen molecules produced is thus twice the number of oxygen molecules. After electrolysis of water, hydrogen is collected at negative chose and oxygen is collected at the positive anode. Hydrogen is double in volume than oxygen.