An ester is formed by: A Two alcohols reacting B A carboxylic acid reacting with an alcohol (condensation reaction) C An amine and an acid D Two alkenes ✓ Correct Answer: Option B Esterification: RCOOH + R'OH → RCOOR' + H₂O. Fischer esterification uses acid catalyst. Practice DAT Exam Prep Quizzes → Browse All Questions Study Flashcards