Ascorbic acid composition and reactions

1 Read the question

The question is College Board's, from the 2025 exam. It starts on page 6 of the PDF.

Open Question 2 (PDF, page 6)

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.

1. Part A
2. Part B
3. Part C
4. Part D

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 4) What the exam readers saw (Chief Reader report)