Question:
Which of the following is a strong electrolyte?
Which of the following is a strong electrolyte?
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Strong electrolytes dissociate completely into ions in solution, which is why they are good conductors of electricity.
Updated On: Feb 12, 2026
- \( \text{NaCl} \)
- \( \text{C}_6\text{H}_6 \)
- \( \text{CH}_3\text{OH} \)
- \( \text{C}_2\text{H}_5\text{OH} \)
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The Correct Option is A
Solution and Explanation
A strong electrolyte is a substance that dissociates completely into ions in solution, allowing it to conduct electricity well.
- \( \text{NaCl} \) (sodium chloride) dissociates completely into \( \text{Na}^+ \) and \( \text{Cl}^- \) ions, making it a strong electrolyte.
- \( \text{C}_6\text{H}_6 \) (benzene) is a non-polar solvent and does not dissociate into ions, so it is a non-electrolyte.
- \( \text{CH}_3\text{OH} \) (methanol) and \( \text{C}_2\text{H}_5\text{OH} \) (ethanol) are weak electrolytes because they do not fully dissociate in water.
Thus, \( \text{NaCl} \) is a strong electrolyte.
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