For a solution to conduct electricity, the following conditions must be met:
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It needs to have a substance that separates into ions: The solution must contain electrolytes, which are substances that dissociate into ions when dissolved in water. These free-moving ions allow for the conduction of electricity.
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It needs to produce a chemical reaction (in some cases): Some solutions can conduct electricity due to chemical reactions that produce ions, such as acid-base reactions or reactions that liberate gases. However, the primary requirement for conduction is the presence of ions.
In summary, the correct responses are that the solution needs to have a substance that separates into ions, and it may also involve reactions that generate ions, but covalent substances typically do not conduct electricity unless they ionize.