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19 Nov 2019
13. 14) Which reagents would you use for the following reaction? CI D. HCl in water A. NaOH in water B. NaOH in acetonitrileC.Water 14. [4) Which two compounds ionize with loss of bromide ion to form the same carbocation? Circle your Br 15.14] Why would concentrated HBr be an inappropriate catalyst for the dehydration of alcohols? A. HBr is too weakly acidic to protonate alcobols. B. The conjugate base Br is a good nucleophile and would attack the carbocation to form an alky! bromide C. HBr is strongly acidic, so the water molecule would not be a good leaving group after alcohol protonation. D. HBr would be more likely to promote rearrangement of the carbocation intermediate. 16. (4) Using the data below, what is the specific rotation of the product produced? NaSH DMSO C2Hs [alp -34.6 alb- -99 a) +34.6 b)+99 c)0.0 d)-9.9 17.[4] Draw the major product for the following elimination reaction. K*t-Buo DMSO Br
13. 14) Which reagents would you use for the following reaction? CI D. HCl in water A. NaOH in water B. NaOH in acetonitrileC.Water 14. [4) Which two compounds ionize with loss of bromide ion to form the same carbocation? Circle your Br 15.14] Why would concentrated HBr be an inappropriate catalyst for the dehydration of alcohols? A. HBr is too weakly acidic to protonate alcobols. B. The conjugate base Br is a good nucleophile and would attack the carbocation to form an alky! bromide C. HBr is strongly acidic, so the water molecule would not be a good leaving group after alcohol protonation. D. HBr would be more likely to promote rearrangement of the carbocation intermediate. 16. (4) Using the data below, what is the specific rotation of the product produced? NaSH DMSO C2Hs [alp -34.6 alb- -99 a) +34.6 b)+99 c)0.0 d)-9.9 17.[4] Draw the major product for the following elimination reaction. K*t-Buo DMSO Br
Nestor RutherfordLv2
19 May 2019