Which of the Following Acids (Listed with PK_a Values)and Their

question 186

Multiple Choice

Which of the following acids (listed with pK_a values) and their conjugate base would form a buffer with a pH of 8.10?

• A) HC₂H₃O₂, pK_a = 4.74
• B) H₂SO₃, pK_a = 1.77
• C) HClO, pK_a = 7.54
• D) HIO, pK_a = 10.64
• E) HNO₂, pK_a = 3.34