Question

1. Identify the gases evolved at anode and cathode.

Answer 1

Answer:

During electrolysis Hydrogen gas is evolved at the cathode and at the anode oxygen gas is evolved.

Answer 2

The gases evolved at anode and cathode is oxygen and hydrogen

• During electrolysis, a chemical reaction occurs in which electrical energy is used to separate the components of a compound. The anode is the electrode where oxidation occurs, and the cathode is the electrode where reduction occurs.
• In the electrolysis of water, for example, the anode is the electrode where oxygen is evolved and the cathode is the electrode where hydrogen is evolved.
• In general, the anode will evolve the gas that is being oxidized, while the cathode will evolve the gas that is being reduced.
• Electrolysis is a process in which electrical energy is used to drive a non-spontaneous chemical reaction. The process involves passing an electric current through a solution or a molten substance containing ions (electrolyte). The electrolyte conducts electricity by the movement of ions between the electrodes.

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