Multiple choice The reagent used in aldol condensation reactions is 9-Borabicyclo[3.3.1]nonane 1,2-Ethanedithiol Benzyltrimethylammonium fluoride Benzyltrimethylammonium hydroxide Reveal answer Fill a bubble to check yourself D Correct answer Explanation Benzyltrimethylammonium hydroxide, also known as Triton B or trimethylbenzylammonium hydroxide, is an organic base. It is used in aldol condensation reactions and base-catalyzed dehydration reactions.