2016, Question 4 · Short answer · 4 points · about 9 minutes

Phenol acidity and buffer pH

Calculate the pH of a weak acid solution and select buffer pH values that favor its deprotonated form.

1 Read the question

The question is College Board's, from the 2016 exam. It starts on page 10 of the PDF. College Board no longer posts this exam, so it opens from the copy of College Board's PDF that the Internet Archive saved on June 18, 2025.

Open Question 4 (PDF, page 10)

2 Write your answer

Answer each part the way you would on the exam, in full sentences, with your work shown. Your writing saves as you type.

3 Score it

Score your answer against College Board's scoring guidelines, one point at a time. Give yourself a point only when your answer says what the guideline asks for.

Scoring guidelines (PDF, page 9) What the exam readers saw (Student Performance Q&A)

Question, scoring guidelines and Chief Reader report: College Board, from the Internet Archive. The title, summary are ours.