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

question 117

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) HC₇H₅O₂, pK_a = 4.19
• B) H₂SO₃, pK_a = 1.77
• C) HClO, pK_a = 7.54
• D) HCN, pK_a = 9.31
• E) HNO₂, pK_a = 3.34

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