QUESTION 15 Which of the following mechanisms for the base-catalyzed hydrolysis of ethyl acetate is correct?...
Which of the following mechanisms for the base-catalyzed hydrolysis of ethyl acetate is correct? А Со: нс H3COOCH3 H3COCH3 : Осн. B : осна H5C оҫн сня н,со-сі с нс H3COOCH гсі: HC OCH3 :Осн. : OCH3 H-OCH -Н D H3C н,сусі. HC OCH CI: OCH3 : Осн. ОА ОВ OD
Which of the following mechanisms for the base-catalyzed hydrolysis of ethyl acetate is correct? Which of the following mechanisms for the base-catalyzed hydrolysis of ethyl acetate is correct? А Н4С НЫС :OCHE НС ОСН3 : Осн; B OCH3 нас OCH CH3 H3CO-CI с H3CCI Н4С НС ОСН3 : OCH3 OCH H-OCH3 D сон the loc нас нссі. нс СІ: :OCH Н, Сосні :Осна ОА ов ос OD
HELP! Which of the following mechanisms for the base-catalyzed hydrolysis of ethyl acetate is correct? А нас нс OCH H3COCHE : Осн B OCH нс Hс осна CH3 Нco-ci с H5C нс сі: : OCH Нас OCH3 -: осн, (осн. -н-осна D H5C нссі, ныса: H3COOCH3 H3COCH3 : Осна
Which intermediate is involved in the mechanism of this base-promoted hydrolysis? о ОН HO -d-oCH,сну - (А) *CH-CH, (В) OCH CH3 (С) -2-осн,сн, ОН ОН (D) -c-oCH,CH,
Propose mechanisms consistent with the following reactions 8-48 H.SO н.о Br HBr ъ) Он (а) ROOR Br СHBE, Вг Br Вг HЕr (d) NaOH осH CH, Cl Вr НС Br Br CH CH OH Cн CH, Он Н н'. Н,о Он Н "сн CH, CH,CH CH,CH Он н' (g) CH Oн осн, н CH—С-С (h) 2 н Н Н Н Propose mechanisms consistent with the following reactions 8-48 H.SO н.о Br HBr ъ) Он (а) ROOR Br СHBE, Вг Br...
Ch 16.1 Give the major product(s) or the following reaction ao,a OH N ? OH io OH H There is no reaction under these conditions or the correct product is not listed here Gve the major product(s) of the following reaction COCH OH N H OH 0 OH H There is no reaction under these conditions or the correct product is not listed here. В 1) BAIH (-Bu), (-78°C) (0.5 moles) 2) ное ? оо н ОН ОН OCH, OH...
a.) The rate constant for the base-catalyzed hydrolysis of ethyl acetate is 1.78×103 L mol-1 s -1 at 25 °C and 1.38×104 L mol-1 s -1 at 37 °C. Calculate EA, (delta)H‡ , the Arrhenius Constant, and (delta) S ‡ . b.) The isomerization of HNC into HCN is important in the chemistry of interstellar gas clouds. HNC → HCN Has an activation energy of 210 kJ/mol and an activation entropy of -105 J mol-1 K-1 . Calculate the first-order...
Which of the following Newman conformations is the least stable? сн. нс H₂h снз H2 H₃ н? CH₃ CH₂ H3 C сна 3 H₂CH Н. Н НІ Select one: о а. 4 o b. 3 о с 2 od. 1 Previous page Text pag
9. Which of the following reaction sequences will not produce an aldehyde in good yields? EMAM 1. КMnO. НО, А. 2. Н,о" To 1otolornW a. d. 1. DIBAI-H,-78°C 2.Н,0, НСТ Он ГОСН, lald elaitlum do coiod supn orl obivog o babivorg botrooon od ol rardio ofO0 1. LilAlH(OC(CHa)l.-78°C 2. Н,О, НСI b. со, НС, AICh, CuC e. nu oomon odo r to noiool odr eollwolod noesdir od с. PCC CH2CI i f. None of these ОН Пиа 10. Draw the...
What major Organic product is formed after the following sequence of reactions? 1) NaH, THF 2) Br Br B1 (C) (b) Br Bi a. a Considering both regiochemistry and stereochemistry, what is the major Organic product of the following reaction? о ні. CH-CH, НСІ Снон HC "CH; но CH, НО CH, HCO CH-CH; CH «CH-CH, OCH; CH CH3 ОН нс СІ H; Н;С (6) (c) H.CO CH, Kotic CH.CH НО CH; Но CH.CH Сн, НП). CH,CH; ОН нс Н.С осн;...