Compound a Compound b Compound c CH3COH CH3CCH2ČOCH2CH3 CH3CCH2CCH3 ethyl acetoacetate pkg = 11 pentane-2,4-dione pk, = 9 acetic acid pK, = 4.76 Which of the compounds above are strong enough acids to react almost completely with a hydroxide ion (pK, of H2O = 15.74) or with a bicarbonate ion (pK, of H2CO3 = 6.37)? Enter your answers as an alphabetized string, i.e. abc, not cba; enter none if none of the compounds are strong enough acids. Hydroxide ion: Bicarbonate ion:
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- Predict the products of the following acid-base reactions. If the equilibrium would not result in the formation of appreciable amounts of products, you should so indicate. In each case label the stronger acid, the stronger base, the weaker acid, and the weaker base: (a) CH3CH=CH2 + NANH2 (d) CH3C=C: + CH;CH2OH → (e) CH3C=C:- + NH¾CI – | (b) CH;C=CH + NaNH2 (c) CH3CH2CH3 + NANH2 → | HASArrange the following compounds in decreasing order of acidity * |- CICH2CH2CH2COOH Il - CH3CH2CHCICOOH III – CH3CHCICH2COOH III > I> || O I > II > || O I > I| > II III > || >|Compound a OH phenol pK₂ = 9.89 Hydroxide ion: Bicarbonate ion: Compound b O O CH3CCH₂CCH3 pentane-2,4-dione pK₂ = 9 Compound c O CH3CH₂OCCH₂COCH₂CH3 diethyl malonate pK₂ = 13 Which of the compounds above are strong enough acids to react almost completely with a hydroxide ion (pK, of H₂O = 15.74) or with a bicarbonate ion (pK, of H₂CO3 = 6.37)? Enter your answers as an alphabetized string, i.e. abc, not cba; enter none if none of the compounds are strong enough acids.
- Which of the following reactions will not yield a carboxylic acid as a product? он (B) owool CrO3/H,0 (1) Oz/CH;Ch, -78°C (1) Mg, ether, A (A) Br (C) (2) H20 (2) CO2 (3) H* (dil /H¿O он H* /H2O A (D) Reaction D Reaction A Reaction CWhat is the predicted product of the reaction sequence shown? OH excess NH3 NazCr2O7/H2SO4/H2O SOCI2 SOCI2 1. CH3CH₂MgBr 2. HO H || میں بلی HO. NH2 |||Arrange these compounds in terms of increasing acidity: HFWhich of the following reactions will synthesize phenol from benzene? 1) HNO3 + H2SO4; 2) Fe, HCl; 3) NaNO2, HCl, 0-10 oC; 4) warm H2SO4 and H2O 1) HNO3 + H2SO4; 2) Fe, HCl; 3) NaNO2, HCl, 0-10 oC; 4) CuCN; 5) dilute acid and heat 1) Acetyl chloride & AlCl3; 2) bleach 1) Ph-N2+ + KI; 2) BrMgCH=CH2 in ether, followed by H3O+; 3) warm, conc'd KMnO4 1) Cl-CH(CH3)-CH2CH2CH3 + FeBr3; 2) hot, conc'd KMnO4Cyclopentanecarboxylic acid and 4-hydroxycyclohexanone have the same formula (C6H10O2), and both contain an —OH and a C=O group. How could you distinguish between them using IR spectroscopy?One frequently used method for preparing methyl esters is by reaction of carboxylic acids with diazomethane, CH2N2. The reaction occurs in two steps: (l) protonation of diazomethane by the carboxylic acid to yield methyldiazonium ion, CH3N2+, plus a carboxylate ion; and (2) reaction of the carboxylate ion with CH3N2+. (a) Draw two resonance structures of diazomethane, and account for step 1. (b) What kind of reaction occurs in step 2?Draw a resonance structure of the acetonitrile anion, -: CH2CN, and account for the acidity of nitriles.The key step in a reported laboratory synthesis of sativene, a hydrocarbon isolated from the mold Helminthosporium sativum, involves the following base treatment of a keto tosylate. What kind of reaction is occurring? How would you complete the synthesis?Arrange these compounds in terms of decreasing acidity: O CH3CH2COOH2+ < HF< CH3CH2COOH< CH3CH2CH2OH O CH3CH2C00HSEE MORE QUESTIONSRecommended textbooks for you