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- 4. Rank the following compounds in terms of increasing basicity: oto oo, oa Breq 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 BackWhich is the most basic molecule? A B C Ме Me Li Me Li Li ОА O B
- 2. Complete the following equation by drawing the most plausible structure for compound A, compound B and compound C. HCI C,H,CI OH CH,O Na,Cr,0, C,H,O Compound A H20 Compound B Compound C please explain the steps completely4. Provide the structure of the blank box of the following reaction. (Taken from P79 a) 유 2CULI CF3COO- HONH2 1) DIBALH, 2) H₂O -78°C51. Which is NOT a valid resonance structure for the conjugate base of this molecule? (A) (C) OEt (C) :0: : OEt (+) HBr ROOR ü (B) OCH 3 (D) 52. What is the major product of this reaction sequence? o Mg ether (A) (B) :0: (D) H OEt OEt H OEt X CH31 LOH LOCH₁
- Which is the most basic molecule? A Me Me Li Ме LiWhich of the molecules and ions given in Problem 21.15 are aromatic according to the Hckel criteria? Which, if planar, would be antiaromatic? 21.15 State the number of 2p orbital electrons in each molecule or ion.Arrange these compounds in terms of decreasing acidity: O CH3CH2COOH2+ < HF< CH3CH2COOH< CH3CH2CH2OH O CH3CH2C00H3. Rank the following groups of species in terms of increasing acid strength: Answers in parentheses a) H₂O, H₂S, and H₂Se. b) HBrO2, HBrO, HBrO3 c) CF3COOH, CH³COOH, CCI³COOH, CHCI₂COOH1. Rank the following molecules in terms of increasing acidity. Explain your rankings in terms of stability of the corresponding conjugate base. OH HO, SH NaNH2 =H HO,5. Determine the structures of compounds A-F. Br 1. LAH PBг3 A 2. H₂O 1. D 1. E 1. PPh3 2. nBuLi B не Br 2. Mg° BrMg 2. H3O+ OH H3O+ 0SEE MORE QUESTIONS