Question:medium
An aqueous solution of sodium chloride is prepared in distilled water. The pH of this solution is:
An aqueous solution of sodium chloride is prepared in distilled water. The pH of this solution is:
Updated On: Feb 6, 2026
- 6
- 8
- 7
- 3
Show Solution
The Correct Option is C
Solution and Explanation
Step 1: Nature of Sodium Chloride (NaCl)
Sodium chloride is a salt produced by the neutralization of hydrochloric acid (a strong acid) and sodium hydroxide (a strong base).
Step 2: Dissolving NaCl in Water
Upon dissolution in distilled water, NaCl completely dissociates into Na⁺ and Cl⁻ ions. These ions do not hydrolyze, thus not altering the H⁺ or OH⁻ ion concentrations in the water.
Step 3: Solution pH
As the solution contains neutral ions and the H⁺ ion concentration is unchanged, the solution remains neutral.
Step 4: Conclusion
An aqueous solution of sodium chloride in distilled water has a pH of 7, signifying a neutral solution.
Final Answer:
7
Sodium chloride is a salt produced by the neutralization of hydrochloric acid (a strong acid) and sodium hydroxide (a strong base).
Step 2: Dissolving NaCl in Water
Upon dissolution in distilled water, NaCl completely dissociates into Na⁺ and Cl⁻ ions. These ions do not hydrolyze, thus not altering the H⁺ or OH⁻ ion concentrations in the water.
Step 3: Solution pH
As the solution contains neutral ions and the H⁺ ion concentration is unchanged, the solution remains neutral.
Step 4: Conclusion
An aqueous solution of sodium chloride in distilled water has a pH of 7, signifying a neutral solution.
Final Answer:
7
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