Which of the following mechanistically depicts the protonation of tert-butyl alcohol by hydrogen bromide? A) (CH3)3CÖ:...
help with all please 14. Which of the following mechanistically depicts the protonation of tert-butyl alcohol by hydrogen bromide? H-Br: в) (CH);С —ӧ: A) (CH3)3C-ö: н- Br: Н H-Br н D) (CH3)3C-ö H- Вr: C) (CH3)3CÖ: d. D c. C b.B a. A 15. What would by the effect of doubling both the concentration of t-butyl bromide and the concentration of sodium iodide in the reaction of t-butyl bromide with sodium iodide in methanol? a. The rate stays the same....
13. What is the major product obtained from the following reaction (CH3),CO Nat Br t-butanol OC(CH), 1 a. 1 b. 2 c. 3 d. 4 14. Which of the following mechanistically depicts the protonation of tert-butyl alcohol by hydrogen bromide? A) (CH3),C-Ö: H Br: B) (CH3),C-Ö: H Br: н C) (CH3),C-o: Br: . D) (CH3),C–0: H Br: dD a. A b. B 15. What would by the effect of doubling both the concentration of t-butyl bromide and the concentration of...
14. Which of the following reagents should be used to prepare tert-butyl ethyl ether a) tert-butyl bromide and sodium ethoxide b) tert-butyl alcohol and ethyl bromide c) tert-butyl alcohol and ethanol d) potassium tert-butoxide and ethyl bromide 15. What is the major organic product obtained from the following reaction? A) 1 B) 2 C) 3 D) 4 16. What product is formed when methyloxirane is treated with ethylmannesium bromide followed by treatment with aqueous acid? A) 1-pentanol B) 2-pentanol C)...
Which of the following best shows the C- Br bond breaking in tert-butyl bromide? Select one: CH3 H3C— C— Br: O CH3 a. CH3 H3C- Haco O c. CH3 CH3 O d. CH3
answer all please. 23. What is the equation for the rate of formation of tert-butyl alcohol from the reaction of tert-butyl bromide (t-BuBr) with water by an Syl mechanism? A) Rate -k [t-BuBr] B) Rate = k [t-BuBr] [H,O] C) Rate k [H2O D) Rate k [t-BuBr] 24. Which of the following statements related to Ssl reactions is not true? A) The SN1 reaction can be described as a heterolytic bond cleavage followed by nucleophilic attack. B) Carbocations are electrophilic....
1.1 What is the equation for the rate of formation of tert-butyl alcohol from the reaction of tert-butyl bromide (t-BuBr) with water by an SN1 mechanism? A. Rate= k[t-BuBr] B Rate=k[ t-BuBr][H2O] C. Rate=k[ H2O] D. Rate=k[t-BuBr]^2 1.2 What is the equation for the rate of formation of 1-iodobutane from the reaction of 1-chlorobutane (BuCl) with NaI by an SN2 mechanism? A. Rate=k[BuCl] B. Rate=k[BuCl][NaI] C. Rate=k[NaI] D. Rate=k[BuCl]^2 1.3 What is the equation for the rate of formation of...
Question 19 3.33 pts The reaction of tert-butyl bromide. (CH3),CBr with methanol proceeds by an S1 mechanism. What is the effect of doubling the concentration of t- butyl bromide on the reaction rate? The rate remains the same The rate decreases by a factor of 2 The rate increases by a factor of 2 d.) The rate increases by a factor of 4 3.33 pts Question 20 U The reaction of t-butyl bromide (CH3),CBr with azide (N34) proceeds by an...
Which is the best method for the synthesis of tert-butyl methyl ether? A. (CH3)3CONa+ CH3OCH3 ????? B. CH3ONa + (CH3)3COH ????? C. CH3OH + (CH3)3COH + H2SO4 with heat ????? D. CH3ONa+ (CH3)3CBr ????? E. (CH3)3CONa+ CH31 ?????
Question 21 3.3 The reaction of tert-butyl bromide, (CH3),CBr, with methanol proceeds by an E1 mechanism. What is the effect of doubling the concentration of methanol? The rate remains the same The rate decreases by a factor of 2 The rate increases by a factor of 2 The rate increases by a factor of 4 What is the IUPAC name of the following compound? OH cis-4-ethylcyclohexanol trans-4-ethylcyclohexanol cis-4-hydroxy-1-ethylcyclohexane trans-4-hydroxy-1-ethylcyclohexane U Question 23
19. Which correctly depicts the displacement of bromide by hydroxide? a. HO + "Br-CH3 b. HO + çuş-Br C. HO- + CH3-Br d. HO + CH3-Br