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- which of the following compounds is most basic?organic chemistry help with carboxylic acids Rank the following from most reactive (left) to least reactive (right) with potassium ethoxide.Rank the bold-faced hydrogens for the following compounds from most acidic to least acidic. The table below can be useful to answer this problem. I Short pka table Functional group Hydrochloric acid Carboxylic acids Protonated amines Water Alkyne Amine Alkane OII>IV> V> ||| > | OIV>II>I>V > III OV> III > IV> II > I II CI co₂H Stronger Example acid pka HCI: H3C NHÀ :C HO-H H3C-CEC-H : NH3 III CH4 Weaker acid -8 5 10 14 25 -35 ~50 IV CO₂H conj. base :CI: H₂C : NH3 e.. : OH R-CEC: : NH₂ CH3 V Weaker base Stronger base H
- Which proton Is the most Ilkely to be removed when this molecule reacts with NaNH-? Click on a letter A through D to answer. - (B) CH3 (C) (A) H H (D)Q4. Rank the following sets of molecules according to acidity (1= most acidic).5) putting the least acidic first. Rank the following compounds in order of increasing acidity, CH3COOH CICH2COOH CH3CH2OH CICH2CH2OH I II III IV III < | < IV < || A) III < IV < | < | B) Il < | < IV < III C) III < | < || < IV D)
- Write the bond-line presentations for each compound shown below; consider them as acids and write the conjugate base of each of them- 2. Bond-line structure of a given compound Conjugate base bond-line structure (CH3)2CCHCOOH cis-stereoisomer HCCCHCHCH3 [(Et);NH]* [(i-Pr)2CHOH2]*Given the following table of bond dissociation energies (in kcal/mol), what is AH° for this reaction? (CH3);С —Н + Br -Br (CH);С — Br + Н—Br | CH3-H 105 (CH3)3C-H 91 CH3-Br 70 (CH3)3C-Br 65 Br-Br 46 H-Br 88 O +7 kcal/mol O -7 kcal/mol O +16 kcal/mol O -16 kcal/mol O cannot be determined with this informationRank the following active methylene compounds in order of decreasing acid strength. most acidic least acidic Answer Bank NO2 CH H,C H3C NO
- Rank the following acids in decreasing acidity. Explain your answer CH2ClCOOH, CHCl2COOH, CH3COOH[References) Identify the most and the least acidic compound in each of the following sets. Leave the remaining answer in each set blank. a) p-cyanobenzoic acid: v benzoic acid: p-aminobenzoic acid: b) 3-fluoropropanoic acid: fluoroacetic acid: | iodoacetic acid: c) acetic acid: fluoroacetic acid: chloroacetic acid: most leasteq eq M M M ereg 2req 2req 2req X 2req J F3 $ 4 R C V [Review Topics] [References] Draw both resonance structures of the anion formed by the reaction of the most acidic C-H bond of the compound below with base. 4x Include all valence lone pairs in your answer. • For structures having different hydrogens of comparable acidity, assume that the reaction occurs at the less-substituted carbon. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate resonance structures using the symbol from the drop-down menu. ✓✓99.81 O 0- F4 . % 5 T G B F5 *** ^ 6 Cengage Learning Cengage Technical Support Y ChemDoodle H N F6 & N& 7 U O J F7 + [ ] در M 8 PrtScn K F8 9 Home O 83°F Sunny F9 L ) 0 End F10 P Previous C PgUp F11 9 ? Next Save and Exit 9:38 AM 7/18/2022 PgDn F12 0 Ins D Back