7. Circle the reaction below which would be predicted to be faster. CH, CHỊNH, KOH CH-CH₂...
b) CH, CH2 CH CH Br + SH — CHZ CH3 CH, CH, CH, Br + SH" — c) (polar protic solvents) CH, Br + (CH3)3N CH, Br + (CH3)3P - — d) CH, I + CN- - DMF CHZI + CNC CH3CH20H e) CH I + OH- - CHZI + CH, CO2- (6) 14. Place 1º, 2º, 3º and Methyl carbocations in order from least stable to most stable. What factor(s) account for the stability of the most stable...
_1. An alkyl halide which might be expected to undergo rearrangement under Snl or E1 conditions is: HZC Br CH3 A. 1 B. | F—CH,BH C. CH3-C-CH-CH, CHz CH3 D. CH3 CH3-C-CH2CH2-Br CH3 E. A Br 2. Your task is to convert 2-chloropentane into 1-pentene. Which reagents would you choose? a) NaOH/H20 b) KOH/CH3OH c) CH3ONa/CH3OH d) CH3CH2ONa/CH3CH2OH e) (CH3)3COK/(CH3)3COH 3. Circle the reaction below which is faster in polar protic solvents. OH,H,O A. CH,CH,CH,Br- CH,CH,CH,OH + Br or SH.RSH...
9) Circle the correct answer for each of the questions below. e. Which reacts faster in an Syl reaction? a. Which reacts faster in an Sy2 reaction? CHs CH, CH,CHCHCH, or CH,CH,CCHy Br Br Br b. Which reacts faster in an El reaction? d. Which reacts faster in an E2 reaction? Br Br 10)2-bromobutane will react with OCH, in the present of dimethylsulfoxide, DMSO, as a solvent to create 1-butene and 2-butene by an elimination reaction A) Write the chemical...
1. Which reaction below occurs faster through an SN2 mechanism and why? Draw the transition states of each reaction to explain your answer. OH to bomto Br OH b) OH 2. The reaction of 9.0 g of 1-butanol (MW = 76g/mol) with 13.0 g of sodium bromide (MW = 103 g/mol) with excess acid produces 8.5 g of 1-bromobutane (MW 137 g/mol). a. What is the purpose of the acid? b. What is the % yield for the reaction? Show...
3. Circle the reaction below which is faster in polar protic solvents. OH, ,0 A. CH,CH,CH,Br — CH,CH,CH,OH + Br or CH,CH,CH,SH + Br B. CH CH.CH.BESH,RSH 4. Doubling the concentration of hydroxide in the reaction in problem #3A: A: causes the reaction mechanism to change. B: halves the rate of reaction. C: has no effect on the rate of reaction. D: doubles the rate of reaction. 5. Circle the reaction below which is faster. 70% H2O A. (CH3)3C-C 30%...
answer all 1. In each of the following, indicate which S2 reaction will occur faster. Explain your reasoning. a. 1-bromo-2,2-dimethylpropane or 1-bromo-3-methylbutane with Nal in DMSO. b. 1-iodopentane with NaN, in ethanol or NaSCH, in ethanol, c. Reaction of isobutyl iodide with NaBr in acetone or in ethanol. 2. In each of the following, indicate which S, 1 reaction will occur faster. Explain your reasoning. a. Reaction of I-chloro-1-methylcyclohexane or 1-chloro-2-methylcyclohexane in aqueous ethanol. b. Reaction of 2-chloropentane or 3-bromohexane...
10. For the S2 reaction shown, which product is faster to form (major product, 1 eq. means 1:1 ratio)? 14. Which statement is correctn reaction shown? 1eg. NaCN. ACN Br 11. Which statement is correct regarding I and II in the transition state of Sn2 reaction? I II IH HI A. The product is Hoffman used is NaOC(CH) B. The product is Zaitsev p used is NaOCH, C. The product is Hoffman used is NaOCH; D. The product is Zaitsev...