13. A common type of two-step elimination involves heating an alcohol in acid. (Recall that an acid will protonate an-OH group, turning it into a good leaving group [water].) Draw all five possible alkene products of this reaction, circle the two you expect to dominate the product mixture, and cross out the one you expect will be least abundant. Check your work: See the first Confirm Your Understanding Question AFTER you have completed your answer to this question. OH HSO4 heat