Multiple choice Who among the following prepared borazine? Stock and Pohland Stock Allen and Senoff Cotton None of these Reveal answer Fill a bubble to check yourself A Correct answer Explanation This option is correct, because Stock and Pohland (1921) prepared borazine by the reaction of diborane and ammonia at -120 ˚C. In this reaction diammoniate of diborane is formed, which on decomposition at 200 ˚C gives borazine