Which of the following is a strong electrolyte?

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Multiple Choice

Which of the following is a strong electrolyte?

Explanation:
Strong electrolytes dissociate completely into ions when dissolved, providing many charge carriers that conduct electricity well. Sodium chloride fits this perfectly: it breaks apart in water into Na+ and Cl− ions, so its solution conducts electricity strongly, making it a strong electrolyte. Methanol, while it dissolves in water, does not produce ions, so it behaves as a nonelectrolyte. Acetic acid does ionize, but only partially, so it’s a weak electrolyte rather than a strong one. Glucose remains as whole molecules in solution and also does not produce ions, so it’s a nonelectrolyte. Therefore, sodium chloride is the strong electrolyte among the options.

Strong electrolytes dissociate completely into ions when dissolved, providing many charge carriers that conduct electricity well. Sodium chloride fits this perfectly: it breaks apart in water into Na+ and Cl− ions, so its solution conducts electricity strongly, making it a strong electrolyte.

Methanol, while it dissolves in water, does not produce ions, so it behaves as a nonelectrolyte. Acetic acid does ionize, but only partially, so it’s a weak electrolyte rather than a strong one. Glucose remains as whole molecules in solution and also does not produce ions, so it’s a nonelectrolyte.

Therefore, sodium chloride is the strong electrolyte among the options.

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