Answer of the following question is given below;
Which is the best method for the synthesis of tert-butyl methyl ether? A. (CH3)3CONa+ CH3OCH3 ?????...
It says the answer is C, but what is the mechanism behind
it?
19. Which is the best method to prepare tert-butyl methyl ether? A) CH3ONa + (CH3)3CBr B) CH3ONa + (CH3)2CHCH2Br C) CH3OH H2SO4; then (CH3)2C CH2 D) CH3OH (CH3)3CBr E) CH3OH(CH3)COHH2S04, 140°C
This is the chemical formula for methyl tert-butyl ether (the clean-fuel gasoline additive MTBE): CH3OC(CH3)3 A chemical engineer has determined by measurements that there are 3.0 moles of carbon in a sample of methyl tert-butyl ether. How many moles of hydrogen are in the sample? Be sure your answer has the correct number of significant digits.
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 these is the most accurate name for the molecule CH3CH2C-40CH ? CH3 A sec-butyl phenyl ether Bisobutyl phenyl ether c tert-butyl phenyl ether D. (R)-2-phenoxybutane E (S)-2-phenoxybutane
Which of the following is the best method for the synthesis of isobutyl bromide from t-butyl chloride?:* A) 1. NaOH 2. HBr B) 1. NaOCH_3 HBr C) 1. H_2SO_4 and heat 2.NBS and hv D) 1. NaOCH_3 2. HBr and ROOR E) 1. NaoH 2. NBS and hv
What is the best choice for the preparation of tert-butylmethyl ether shown below? CH; HC-º-0-CH; CH CH; a) Hzc-c-OH H.SO + CH3OH CH CH b) H;C-C-o Na CH31 - CH; CH, c) H3C-Ć-1 CH30 Na CH - CH d) H;C-C-OH CH; H 1) CHzMgBr, ether 2) H30* (e) Br--C H CH; d-o CH;
a) Using the line drawings for trans-cinnamic acid and methyl tert butyl ether (MTBE), give the chemical reaction that trans-cinnamic acid gave during extraction (with formal charges included). b) Write out the skeletal structures for the reaction that occurred when the aqueous extract of trans-cinnamic acid was neutralized.
Trimethyloxonium tetrafluoroborate reacts with methanol (CH3OH) to give dimethyl ether (CH3OCH3). Which equation, including the curved arrows, best represents the rate-determining step in the mechanism? CH3 HC=0 BFT CH3 Trimethyloxonium tetrafluoroborate CH3 -> H2C+ + A. H2CO3 CH CH, : 0 CH CH3 B. H,C0 + HCA • HỌC-0: CH3 C. HỌC-0: + HCCO HAC-0 CH, CH3 + :0 . CH CH3 + :0 - CH3 + 4. Co CH3 D. HşC–o: → HșC-0 CH,
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
28) The reaction of tert-butyl bromide, (CH,)CBr, with ethanol affords the substitution product tert-butyl ethyl ether, (CH)1COCH CH, in acidic conditions. What would happen to the rate of the reaction if the concentration of ethanol was doubled? A) The rate remains the same. B) The rate decreases by a factor of 2 C) The rate increases by a factor of 2. D) The rate increases by a factor of 4. Circle the following alkyl halide that will undergo the fastest...