JEE Main Chemistry question
When 1.0 mL of dil. HCl acid is added to 100 mL of a buffer solution of pH 4.0, the pH of the solution:
Answer: (B)
Solution
A buffer resists small pH changes from a small amount of added acid.
When 1.0 mL of dil. HCl acid is added to 100 mL of a buffer solution of pH 4.0, the pH of the solution:
A buffer resists small pH changes from a small amount of added acid.