Which of the following compounds is a weak electrolyte A) HCl B) CH₃COOH (acetic acid) C) C₆H₁₂O₆ (glucose) D) O₂ E) NaCl

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Acetic acid (CH3COOH) is a weak electrolyte because it only partially dissociates into ions in water, producing a low concentration of ions in solution. HCl (choice A) and NaCl (choice E) are strong electrolytes because they fully dissociate in water, producing a high concentration of ions in solution. Glucose (choice C) and water (choice D) are non-electrolytes because they do not ionize in water.

Which of the Following Compounds Is a Weak Electrolyte