Evaluate why ionic compounds conduct electricity in solution but not in solid form.

• A. In solid form, ions are free to move and carry charge, while in solution, ions are fixed in place.
• B. Ionic compounds conduct electricity in both solid and solution forms.
• C. In solution, ions are free to move and carry charge, while in solid form, ions are fixed in place.
• D. Ionic compounds do not conduct electricity in any form.

Answer: (C)