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Why does isopropyl benzene gives more para substitution without the cosolvent
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- Electron pairs CH3 .. Erase H3C - С — СІ: H3C – S- CH3 CH3 CH, CH3 THF/H,0 + H,C--CH, CH C- CH CHs CH, Use curved arrows to write the first step of this nucleophilic substitution mechanism. :ö: | :ö:Would the major product be the co2h with the line or co2h with the solidWhen we have discussed the enol-keto tautomerization of ketones in class, the isomerization has been facililated by an acid or base catalyst, with most ketones heavily favoring the carbonyl isomer at equilibrium. However, samples of the ketone below in its pure form (with no acid, base or water present) contain nearly 10% of the enol form! OH -90% -10% From this data, we can infer that the enol isomer of this ketone is particularly stable. Explain the stability of this enol, using terms and ideas that we have discussed in this unit.
- The reaction of CH;CH=CH-CH=CH, with excess bromine gives chiefly 1,2-dibromo-3-pentene b. 3,4-dibromo-1-pentenc 1,4-dibromo-2-pentene d. 22. а. с. a mixture of the above three compounds none of the above three compounds е. 23. The formula for methyl ethanoate is which of the follow ing? a. с. H3C-C-o-CH,-CH3 H3C CH2-C CH3 b. d. H3C-CH-CH3 H3C C 0-CH3 OHWhich of the following compounds shown below is butylberizene? toCompound X is insoluble in cold KMNO4, Br2 is insoluble in CCI4, and H2SO4 is insoluble in concentrated H2SO4. Most likely, compound X is: alcohol alkene alkane alkyl none of the above
- 1) 1544565- NH₂ 2) CI of & 7) 8) reagents used: FeCl3/Cl₂ HNO3/H₂SO4 MeCI/AICI3 ACCI/Et₂N SO3/H₂SO4 Pd/C, H₂ NaOH H₂SO4/heat ACCI= CI [Choose ]I. STATEMENTS: (10 CHOOSE TH 1. Bisphenol A is prepared from: a) Benzene and Acetone b) Benzene and Phenol c) Acetone and phenolCumene and Acetone d) Cumene and Phenol rne could be prepared from ethyl benzene by: onQuestions 1015MSC Chemistry of Biological Systems II 186403 1. What is the purpose of the concentrated sulfuric acid in the preparation of aspirin? 2. Anhydride means "without water". Suppose 1 M H₂SO4 were substituted for the concentrated H₂SO4. Would the yield of acetylsalicylic acid be increased, decreased, or unaffected by the substitution? Explain.
