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- why H2SO4 has a positive reaction with cyclohexene?10) Which of the following additions to alkenes occur(s) specifically in an syn fashion? A) dihydroxylation using OsO4, H2O2 B) addition of H2 C) hydroboration D) addition of HCl E) A, B, and CWhat alkene is the major productwhen 2-bromo-2-methylpentane is treated with sodium ethoxide in ethanol?
- 12) Use the curved arrow formalism to show the movement of electron pairs in the following reaction and label each reactant as a nucleophile or an electrophile. CHÍNH CHỊCH, + CO Học Nha CH₂CH₂CI2. Which of the following additions to alkenes occur(s) specifically in a syn fashion? A) dihydroxylation using OsO4, H2O2 B) addition of H2 C) hydroboration D) addition of HCI E) A, B, and CDraw the alkene that would react with the reagent given to account for the product formed. ? + + H₂O **** H₂S04 • 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. CH3 CH3 CHCCH3 | | OH CH3 +1
- Which of the following alkenes is an E alkene? ఆశీశారం OCHS HO COOH OCH, II III IV O B) || C) II O D) IVDraw the alkene that would react with the reagent given to account for the product formed. ? + HCI CH3 CH3CCH3 CI • 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. #[ ] در ChemDoodleRank the alkenes from most stable to least stable.