Question

pH value of aqueous NaCl solution is

• A. 1.7
• B. 2
• C. 10
• D. 7

Answer 1

The Correct Option is D

To solve the problem, we need to determine the pH value of an aqueous NaCl (sodium chloride) solution.

1. Understanding the pH of NaCl Solution:
Sodium chloride (NaCl) is a neutral salt formed from a strong acid (HCl) and a strong base (NaOH). When NaCl dissolves in water, it dissociates into Na⁺ and Cl⁻ ions, neither of which hydrolyze (react with water to form an acidic or basic solution).

2. pH of Neutral Solutions:
Since NaCl is a neutral salt, its aqueous solution does not affect the concentration of H⁺ or OH⁻ ions in water. Therefore, the pH of a NaCl solution is approximately 7, which is considered neutral.

Final Answer:
The pH value of an aqueous NaCl solution is 7 (Option D).