Question detail

In a half equation for the electrolysis of water, what is produced at the anode?

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

Electrolysis

Question

Oxygen gas

During the electrolysis of water, oxygen gas is produced at the anode as negative hydroxide ions lose electrons.

Common Mistake in Balancing Half Equations

Students often forget to balance the charge in half equations, leading to incorrect representations of the reactions.

Always check that the total charge on both sides of the half equation is equal, adjusting the number of electrons as necessary.

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