Question detail

Which of the following statements is true about the electrolysis of molten ionic compounds?

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

  1. A. Only metals can be produced at the anode.
  2. B. Ionic compounds must be dissolved in water to conduct electricity.
  3. C. Molten ionic compounds contain free-moving ions.
  4. D. Electrolysis does not occur in molten ionic compounds.

Answer

Molten ionic compounds contain free-moving ions.

Explanation

Molten ionic compounds conduct electricity because they contain free-moving ions that can carry charge.

Common mistake

Confusing Anode and Cathode Products

Students often predict that a metal forms at the anode during the electrolysis of molten ionic compounds.

Remember that a non-metal is produced at the anode, while a metal is formed at the cathode.

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