Answer all with explanations disregard all answers that I chose, thank you!
He Teaneck-Hackensack Date lo-28o Multiple choice questions are each 2 points. Unless otherwise Indicated, all other questions are 4 points. in most cases we must apply Markovnikovs rule to predict the major product of hydration, in some cases this soo ecessary. For the addition of HaiO to which of the following compounds is it unnecessary to use aihe ene b 3-be ene 2-methyl-2-pealene d.wc must apply Markovnikov s rule in all these cases 2. which of theflowing i a secondary 3. What is the product of the addition of Br to 2-methyl-1-butene? Markovnikov urule to predict gemajor product? both (a) and (b) either (a)nor (b) Chi a. 1-bromo-2-methylbutane 2-bromo-2-methylbutane O c. 1,1 dibromo-2-methylbutane 1,2-dibromo-2-methylbutane 0 Whichoroboration-o gdation onstoelbecifically in anditfashion? addition of H hydroboration-oxidation d. addition of tO in dilute acid bJaddition of Br. ãpta and b 2 s. Which of the following additions to alkenes occurt(s) specifically in an syn fashion? s. dihydroxylation using OsO, HO d. addition of HCI e. both a and b a, b, and c additiogr of Hz chydroboration g none of these 6. Whic of the tolowing intermediats believed to occur in he mechanism by which alkenes are hydrated in the Pea riboatonte presence of acid? tion c. free radical d. carbine 7. What synthetic goal is achieved by subjecting an alkene to an on-demercuration sequence? arkovnikov addition of H2O wherein skeletal rearrangement is promoted addition of H:O wherein skeletal rearrangement is prevented Markovnikov addition of H2O wherein skeletal rearrangement is promoted - unti-Markovnikov addition of HO wherein skeletal rearrangement is prevented ãLyn-hydroxylation (6 points) Propose a detailed mechanism to explain the product shown for the following reaction. Be sure to use arrows to show movement of electrons. 8. H3 CH H20 AH CH
