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- 15. Which of the following carbocations is the most stable? a) ethyl carbocation, CH3CH2+ b) rpropyl carbocation, CH3CH2CH2* c) Isopropyl carbocation, (CH3)2CH* d) t-butyl carbocation, (CH3)3C+Which of the following carbocations is the most stable? A B D A B MeO C O₂N DIn light of your answer to Problem 11-74, explain why one of the following isomers undergoes E2 reaction approximately 100 times as fast as the other. Which isomer is more reactive, and why?
- [References] The two alkenes below react with HI at different rates. CH3 CH3CH=CHCH3 and CH;ċ=CHCH3 Draw the structural formula of the MAJOR product formed by the alkene having the HIGHER reaction rate. You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. In cases where there is more than one answer, just draw one. C P opy aste Previous Next ChemDoodle®b. Increasing reactivity with HBr H3C Н H3C A Н least reactive н н Н В I H3C Н C I н н Н D CH₂CH3 most reactive2. Show the mechanism with arrow formalism to show the formation of the most stable product. Which of the following terms apply to the mechanism(s) i) Regioselectivity (ii)stereoselectivity (iii)stereospecificity. Explain H+ (aq) from sulfuric acid NaCN most stable product