All of the Following Statements Concerning Acid-Base Buffers Are True

question 77

Multiple Choice

All of the following statements concerning acid-base buffers are true EXCEPT

• A) buffers are resistant to pH changes upon addition of small quantities of strong acids or bases.
• B) buffers are used as colored indicators in acid-base titrations.
• C) the pH of a buffer is close to the pK_a of the weak acid from which it is made.
• D) buffers contain appreciable quantities of a weak acid and its conjugate base.
• E) buffers are resistant to changes in pH when diluted with water.

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