Which gas is produced during the electrolysis of water? (2020) 2020

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Question: Which gas is produced during the electrolysis of water? (2020) 2020

Options:

Correct Answer: Oxygen

Exam Year: 2020

Solution:

During the electrolysis of water, oxygen is produced at the anode.

Which gas is produced during the electrolysis of water? (2020) 2020

Which gas is produced during the electrolysis of water? (2020) 2020

Step 1: Understand what electrolysis is. It is a process that uses electricity to break down a substance.
Step 2: Know that water (H2O) is made of hydrogen and oxygen.
Step 3: During electrolysis, water is split into its two components: hydrogen and oxygen.
Step 4: Identify the two electrodes used in electrolysis: the anode and the cathode.
Step 5: At the anode (the positive electrode), oxygen gas is produced.
Step 6: At the cathode (the negative electrode), hydrogen gas is produced.
Step 7: Conclude that the gas produced at the anode during the electrolysis of water is oxygen.

No concepts available.